Guide:Walkthrough/Hardmode
This means the page will walk you through a specific task, strategy, or enemy/boss fight.
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Smashing Altars
Starting Hardmode is very difficult: you’re underequipped and almost everything is stronger than you. You will have to return underground in search of ores to get some decent gear. But first, you’ll need to make a detour because none of that new ore actually exists yet. You’ll have to smash a few Altars with the Pwnhammer to make it appear. Every time you destroy an Altar, ore will be generated in various places underground, spawning more densely at lower depths.
- The first altar destroyed will spawn Cobalt / Palladium.
- The second altar destroyed will spawn Mythril / Orichalcum.
- The third altar destroyed will spawn Adamantite / Titanium.
The pattern will repeat with additional altars destroyed, spawning more Cobalt or Palladium, then more Mythril or Orichalcum, then more Adamantite or Titanium. There's diminishing returns on this: after you've smashed your first three altars, generating that amount of ore again requires you to smash a further nine (12 total), then 21 (33 total).
(Old-gen console and 3DS versions) Also note, however, that each altar destroyed may spawn a new block of Ebon/Crimstone, or Pearlstone somewhere in the world, causing the respective biomes to spread from another location.
On your way to smash altars, you may find yourself passing through some of these biomes:
Molten armor
Jungle armor
Meteor armor
Necro armor
Bee armor(Desktop, Console, Old-gen console and Mobile versions)
Obsidian armor(Desktop, Console and Mobile versions)
Crimson armor
Fast Clock
Wandering Eye Kite(Desktop, Console and Mobile versions)(on Windy Days)
Trifold Map
Bananarang
Moon Charm
Adhesive Bandage
Wolf Fang(Old-gen console and 3DS versions)
Be cautious when exploring the surface at Night. New, more powerful monsters come out at night. A player used to traveling at night may find it difficult to progress when they are out after dark.
- Desert Biome (Hardmode)
Mummy(normal Desert only)
Dark Mummy(Corrupted Desert only)
Blood Mummy(Desktop, Console and Mobile versions)(Crimson Desert only)
Light Mummy(Hallowed Desert only)
Shadow Mummy(Old-gen console and 3DS versions)(Corrupted Desert only)
Spectral Mummy(Old-gen console and 3DS versions)(Hallowed Desert only)
Natural deserts typically don't last long in hardmode. When corrupted, crimsoned, or hallowed, they become very similar to their respective biomes. Hardmode deserts are the only places where the Mummy can be found.
- Hallow Biome
Pixie
Unicorn
Gastropod(at night)
Spectral Gastropod(Old-gen console and 3DS versions)(at night)
Rainbow Slime(during Rain
- Fast Clock
Megaphone
Pixie Dust
Unicorn Horn
Unicorn on a Stick
Blessed Apple(Desktop, Console and Mobile versions)
Rainbow Brick
Pearlstone Block
Pearlsand Block
Hardened Pearlsand Block(Desktop, Console and Mobile versions)
Pearlsandstone Block(Desktop, Console and Mobile versions)
Pink Ice Block
Pearlwood
Princess Fish
Prismite
Crystal Serpent(Desktop, Console and Mobile versions)
Divine Crate(Desktop, Console and Mobile versions)
The Land of Deceiving Looks
The Hallow spreads rapidly through the world, just like the Corruption and Crimson. Be wary of the seemingly whimsical denizens of the Hallow. All of them are hostile and are just as dangerous as their corrupted counterparts. Like with the evil biomes, players new to Hardmode should avoid staying in this biome for longer than necessary.
- Corruption Biome (Hardmode)
Corruptor
Corrupt Slime
Slimeling(from Corrupt Slime)
Shadow Slime(Old-gen console and 3DS versions)
Slimer
Blindfold
Petri Dish(Old-gen console and 3DS versions)
Vitamins
Meat Grinder ((Desktop, Console and Mobile versions))
Toxikarp(Desktop, Console and Mobile versions)
Defiled Crate(Desktop, Console and Mobile versions)
Corruption now spreads through the world at a fast pace. Players that are new to Hardmode should move through this biome as quickly as possible.
- Crimson Biome (Hardmode)
Bladetongue(Desktop, Console and Mobile versions)
Hematic Crate(Desktop, Console and Mobile versions)
Crimson spreads identically to Corruption, and is just as dangerous, or perhaps even worse, since the Herpling, which has no corrupt counterpart, exists. They are very fast, have a short hitbox, high health, defense, and high damage. Their only significant weakness is rough terrain, as they will have difficulty reaching the high speeds they often use to surprise players. Extra caution is advised, especially in flat terrain.
Mining Hardmode Ores
Once enough ore has been spawned, the player should begin mining Cobalt or Palladium with a Molten Pickaxe. The other ores cannot be mined. Proceed with extreme caution: the most dangerous biomes in Hardmode are found underground. If the player created a Hellevator, they should use it to access the lower layers quickly. Hardmode ores are more abundant deeper underground.
Biome: Underground (Hardmode)
New Monsters: Toxic Sludge, Digger, Possessed Armor (night)
Recommended Equipment: Molten, Meteor or Crimson armor, Molten Pickaxe, Phoenix Blaster, Fiery Greatsword or Night's Edge, Flamarang, Demon Scythe
This previously trivial biome has had its difficulty increased significantly. Hardmode ores are not very common in this layer. It is best to pass through to lower layers, the best location being right above the underworld and below the lava layer of the Caverns.
New Monsters: Armored Skeleton, Skeleton Archer, Giant Bat, Digger, Angler Fish (water), Green Jellyfish (water), Mimic
Monster Drops: 
Armor Polish, 
Beam Sword (rare), 
Magic Quiver, 
Marrow,
- Mimic Drops:
Dual Hook, 
Magic Dagger, 
Titan Glove, 
Philosopher's Stone, 
Cross Necklace, 
Star Cloak
Recommended Equipment: Molten, Molten Pickaxe
This biome is very dangerous, but it is less dangerous than the Underground Corruption, Crimson, and Hallow. It's for this reason that this biome is one of the ideal biomes for mining hardmode ores. However, don't underestimate the new monsters in this biome: the Armored Skeleton's "Broken Armor" debuff is particularly lethal. Consider returning to town and talking to the Nurse if hit by the debuff. They sometimes drop Armor Polish, which prevents the debuff and will be very helpful later on. The Mimic will also spawn underground here, and if you can, attempt to take some down. You can use the Lifeform Analyzer to tell when these enemies are near. Be wary, however, that even they will inflict high amounts of damage, so ranged and/or high knockback weapons are recommended.
Biome: Underground Hallow
Monsters: Chaos Elemental, Illuminant Bat, Illuminant Slime, Enchanted Sword, Hallowed Mimic
Monster Drops: 
Soul of Light, 
Blessed Apple(Desktop, Console and Mobile versions), 
Rod of Discord
- Mimic Drops:
Daedalus Stormbow(Desktop, Console and Mobile versions), 
Flying Knife(Desktop, Console and Mobile versions), 
Crystal Vile Shard(Desktop, Console and Mobile versions), 
Illuminant Hook(Desktop, Console and Mobile versions)
Notable Resources: 
Crystal Shard
Recommended Equipment: Mythril or Palladium; Ironskin Potions and Regeneration Potions
It is recommended to mine elsewhere until Mythril armor or better is obtained. Chaos Elementals and Enchanted Swords can easily reach the player. If you do decide to venture in and run into a Hallowed Mimic in chest form, avoid going near, and especially avoid attacking it. If one is already on your tail, you should attempt to use your Magic Mirror at the nearest convenience.
Biome: Underground Corruption
Monsters: Clinger, Corrupt Slime, Corruptor, Cursed Hammer, Devourer, Slimer, World Feeder
Monster Drops: 
Soul of Night, 
Cursed Flame, 
Nazar, 
Vitamins
- Mimic Drops:
Dart Rifle(Desktop, Console and Mobile versions), 
Worm Hook(Desktop, Console and Mobile versions), 
Chain Guillotines(Desktop, Console and Mobile versions), 
Clinger Staff(Desktop, Console and Mobile versions), 
Putrid Scent(Desktop, Console and Mobile versions)
Recommended Equipment: Mythril or Palladium; Ironskin Potions and Regeneration Potions
As with the Underground Hallow, it is recommended that the player avoids this biome until they obtain Mythril armor. The denizens of this biome will make mining extremely difficult for a player without hardmode gear.
Biome: Underground Crimson
Monsters: Ichor Sticker, Floaty Gross, Blood Jelly, Blood Feeder, Crimson Axe
Monster Drops: Soul of Night, 
Ichor, Nazar, Vitamins, 
Meat Grinder
- Mimic Drops:
Life Drain(Desktop, Console and Mobile versions), 
Dart Pistol(Desktop, Console and Mobile versions), 
Fetid Baghnakhs(Desktop, Console and Mobile versions), 
Flesh Knuckles(Desktop, Console and Mobile versions), 
Tendon Hook(Desktop, Console and Mobile versions)
Recommended Equipment: Mythril or Palladium; Ironskin Potions and Regeneration Potions
Similarly the underground Corruption and Hallow, the Crimson should be avoided early on in hardmode. Attempt to stay farther from this biome than others, though, as Floaty Grosses can pass through blocks, even if you aren't in the biome.
Biome: Underground Glowing Mushroom biome
Monsters: Fungi Bulb, Anomura Fungus, Mushi Ladybug, Giant Fungi Bulb, Fungo Fish
Monster Drops: None
Notable Resources: 
Truffle Worm
Recommended Equipment: Mythril or Palladium; Ironskin Potions and Regeneration Potions
The player can find Truffle Worms in this biome, which are used to summon Duke Fishron. Otherwise, the new enemies are comparable to those of other underground biomes, and their attacks, especially those of the Giant Fungi Bulb, can be very dangerous. If you are exposed to the biome directly, you may be hit by the Fungi Bulb's attacks, which are very small but deal a lot of damage. Stay away from this biome unless you need an emergency supply of Glowing Mushrooms or Mushroom Seeds.
It can be very difficult to survive long enough in Hardmode biomes to mine enough ore. If the player finds they are having difficulty mining, they should consider looking for ores in the ceiling of the Underworld. This biome has the same mobs as it did pre-Hardmode, making it considerably safer than almost anywhere else in the world.
Aim to upgrade to a 
Cobalt Drill or 
Palladium Drill (or their pickaxe equivalents) as quickly as possible. The Cobalt Drill or Pickaxe and its counterpart can mine Mythril/Orichalcum. The first Mythril/Orichalcum ores mined should be used to craft a 
Mythril/Orichalcum Anvil and then a Mythril Drill (or their Orichalcum counterparts). The Mythril Drill and Pickaxe (and their Orichalcum counterparts) can mine Adamantite/Titanium. The first 30 Adamantite/Titanium ore mined should be used to create an 
Adamantite Forge or 
Titanium Forge. Upgrading to an Adamantite Drill or Titanium Drill isn't crucial, as it does not grant access to any new ores.
Be mindful when opening chests. A seemingly innocuous treasure chest may be a Mimic posing as a chest. Mimics will chase the player when they approach or when attacked. A good approach is to shoot any chests with a ranged weapon before opening them. This will cause any Mimics to break their ruse and attack. Mimics can drop items that are incredibly useful in hardmode, and also always drop several gold coins.
Use any leftover ore to upgrade armor, then weapons, and lastly tools. Keep mining until enough Adamantite or Titanium is collected to craft a full set of armor and any weapons or tools the player may want.
The Goblin Army (Hardmode)
Event: Goblin Army (Hardmode)
New Monsters: Goblin Warlock
Monster Drops: 
Shadowflame Hex Doll(Desktop, Console and Mobile versions), 
Shadowflame Knife(Desktop, Console and Mobile versions), 
Shadowflame Bow(Desktop, Console and Mobile versions)
Recommended Equipment: Adamantite/Titanium or better, Demon Scythe, Crystal Storm, Golden Shower, Lightning Boots, Wings
This time, it's much more difficult with the new Goblin Warlock in the mix. She can attack you with her highly damaging spells. However, it is indeed worth the trouble to defeat her, as she can drop powerful weapons, like the Shadowflame Bow, which can prove devastating when used against the mechanical bosses, as these weapons can inflict the Shadowflame debuff, dealing 5 damage per second.
The Pirate Invasion
Event: Pirate Invasion
Monsters: Pirate Deckhand, Pirate Deadeye, Pirate Corsair, Pirate Crossbower, Pirate Captain, Parrot, Flying Dutchman
Monster Drops: 
Coin Gun, 
Lucky Coin, 
Discount Card, 
Cutlass, 
Pirate Staff(Desktop, Console, Old-gen console and Mobile versions), 
Gold Ring(Desktop, Console and Mobile versions), Various Golden furniture, 
Sailor costume, 
Buccaneer costume(Desktop, Console and Mobile versions),
Recommended Armor: Hallowed armor
Recommended Weaponry: Death Sickle, Chlorophyte Saber, Chlorophyte Partisan, Optic Staff, Golden Shower, Uzi, Megashark
A Pirate Invasion can occur after a player smashes one demon altar, or alternatively when the player uses a 
Pirate Map.
The Pirate Invasion can generally be difficult in early Hardmode, so it is best if the player is prepared in case one arrives. When a Pirate Invasion spawns or is summoned using a Pirate Map, a message will appear saying "Pirates are approaching from the (East/West)!"
When the Pirates' initial wave reaches the spawn, their arrival is announced with "The Pirates have arrived!"
For more information, see Pirate Invasion for more info and tips.
The Great Run-up
Whilst you're trying to find enough ore to make better gear, it's highly recommended that you make the following other preparations in the run-up to the mech bosses:
- Make sure you have a home for the Wizard. Like the Goblin Tinkerer and Stylist, he can be found tied up underground. This NPC is mandatory for magic users, as he sells Greater Mana Potions and crafting ingredients used to craft some very powerful spells.
- Make sure you have a full set of buff potions and at least a stack of Greater Healing Potions or Honeyfin. The mech bosses' damaging attacks will eat away at your health very quickly, so acquiring better potions is recommended.
Collecting Souls
Collecting souls is the last task the player should complete before fighting the Mechanical bosses. There are three types of souls dropped by normal monsters: Soul of Light, Soul of Night, and Soul of Flight. Souls of Light can be obtained from any monster found in the Underground Hallow, Souls of Night can be obtained from any monster found in the Underground Corruption or Crimson, and lastly, Souls of Flight can be obtained from Wyverns. The order in which the player obtains these souls does not matter. However, it can be advantageous to gather Souls of Flight first, as Wings are very useful when navigating the Underground Hallow or Underground Corruption.
Soul of Flight
Wyverns can be found at very high altitudes, at around the same level as Floating Islands. Look for Wyverns on Floating Islands, as it is much easier to fight them this way.
Biome: Floating Island (Hardmode)
New Monsters: Wyvern, Arch Wyvern(Old-gen console and 3DS versions)
Monster Drops: 
Soul of Flight 
Shadow Key (from Arch Wyvern)
Recommended Equipment: Adamantite or Titanium armor, piercing weapons (Demon Scythe is particularly effective), and Gravitation, Ironskin, and Regeneration Potions (Shotgun kills them will around 50 Exploding Bullets)
The only hardmode addition to floating islands is the Wyvern enemy. These Wyverns are of interest because they drop Souls of Flight, which are required to craft wings.
Wyverns are very difficult to kill. They fly through the air using the same AI as worms, but they move much faster, do much more damage, and have a lot more life. They are very difficult to dodge and attack at the same time. Piercing weapons are very effective against the Wyvern, like with all segmented monsters.
Soul of Light
Souls of Light can be found by killing enemies in the Underground Hallow. Underworld Enemies spawned below the Underground Hallow will also drop Souls. Try to gather crystal shards while looking for souls. Try to gather at least 50 souls, although more is better. If the Hallow in your world went through a Spider Nest, you can also farm the spiders, taking advantage of their fast spawn rate.
Soul of Night
Souls of Night can be found by killing enemies in the Underground Corruption and Crimson. Many of the same rules apply within these biomes.
Miscellaneous Items
There are a few other important items not mentioned above:
- Pixies from the surface Hallow will drop Pixie Dust, which is needed to make Greater Healing Potions, or combined with Unicorn Horns to make Holy Arrows.
- Mummies from the Corrupt or Crimson Desert will drop Dark Shards; Mummies from the Hallowed Desert will drop Light Shards. Collect these to craft the Dao of Pow.
- Biome Keys have an extremely rare drop from enemies in the six main biomes (Hallow, Corruption, Crimson, Jungle, Desert, and Snow). These can be used to open the Biome Chests in the Dungeon once that Plantera has been defeated (see below), which contain extremely powerful items.
- Mimics can appear in just about any biome. Look for Mimics using Hunter Potions or a Lifeform Analyzer and kill them until you get a Philosopher's Stone and a Cross Necklace.
- Fifteen Souls of Light or Night can be used to make Light or Night Keys, respectively. A Key of Light or Night placed into an empty chest will create Hallowed or Corrupt/Crimson Mimics, which are larger than normal mimics and more dangerous, but with unique rewards.
- Hallowed, Corrupt and Crimson Mimics can also naturally appear in their respective underground biomes.
Queen Slime
Queen Slime is an entirely optional but fun boss: none of its drops are necessary for game advancement.
She is summoned by using a Gelatin Crystal, found in the underground hallow alongside Crystal Shards, anywhere in any hallowed biome. Defeating her rewards you with similar drops to King Slime: the Crystal Assassin armor set, the only armor set to increase all types of damage, the Hook of Dissonance, which teleports you to the grappled location, and the Gelatinous Pillion, allowing increased airborne movement capabilities. In Expert and Master mode, she also drops the Volatile Gelatin which automatically hurls bouncing slime balls at nearby enemies.
Like King Slime, much of the reason she is easier than the 3 main bosses at this point is because of her limited movement and attacking capabilities; she has no rapid, long range attack, and even in her second form she moves significantly slower than The Twins or Skeletron Prime.
The Three Mechanical Bosses
Once you have a stockpile of the various hardmode resources, it's time to begin preparing to defeat the first three hardmode bosses. Each must be summoned with an item that can be crafted or dropped by enemies. It's also possible for one to spawn on its own at sunset, though the player will probably not be able to defeat it unless they are well prepared.
Recommended Equipment for Mechanical Bosses
Following is a list of equipment recommendations for use against the mechanical bosses. This is not an exhaustive list; other items may prove to be effective. This list assumes no Hardmode bosses have been defeated yet:This content is transcluded from Guide:Class setups.
Night's Edge[a] ((Desktop, Console and Mobile versions))
Amarok(Desktop, Console and Mobile versions)
Hel-Fire(Desktop, Console and Mobile versions)
Gradient(Desktop, Console and Mobile versions)
Format:C(Desktop, Console and Mobile versions)Chain Guillotines(Desktop, Console and Mobile versions)
Dao of Pow
Drippler Crippler(Desktop, Console and Mobile versions)
Bladetongue(Desktop, Console and Mobile versions)
Frostbrand
Ice Sickle
BananarangFetid Baghnakhs(Desktop, Console and Mobile versions)Shadowflame Knife(Desktop, Console and Mobile versions)
Sergeant United Shield(Desktop, Console and Mobile versions)Flying Knife(Desktop, Console and Mobile versions)
Flairon
Chain Knifedontdigup and getfixedboi only
Warrior Emblem
Yoyo Bag(Desktop, Console and Mobile versions)
Power Glove
Berserker's Glove(Desktop, Console and Mobile versions)
Moon Charm
Flask of Ichor
Flask of Cursed Flames
Sharpening Station(Desktop, Console and Mobile versions)
Ale
Sake(Desktop, Console, Old-gen console and Mobile versions)
Adamantite Repeater
Titanium RepeaterShadowflame Bow(Desktop, Console and Mobile versions)Marrow
Ice BowDaedalus Stormbow(Desktop, Console and Mobile versions)
Clockwork Assault Rifle
Onyx Blaster(Desktop, Console and Mobile versions)
Gatligator(Desktop, Console, Old-gen console and Mobile versions)
UziCoin GunDart Rifle(Desktop, Console and Mobile versions)Dart Pistol(Desktop, Console and Mobile versions)
Star Cannon
Toxikarp(Desktop, Console and Mobile versions)
Tsunami
Snowball Cannondontdigup and getfixedboi only
Ranger EmblemMagic Quiver
Molten Quiver(Desktop, Console and Mobile versions)
Stalker's Quiver(Desktop, Console and Mobile versions)
Archery Potion
Ammo Reservation Potion
Ammo Box(Desktop, Console, Old-gen console and Mobile versions)
Crystal Bullet
Ichor Bullet
Exploding Bullet
Endless Musket Pouch(Desktop, Console and Mobile versions)
Frostburn Arrow
Jester's Arrow
Hellfire Arrow
Holy Arrow
Ichor Arrow
Cursed Arrow
Endless Quiver(Desktop, Console and Mobile versions)
Fallen Star
Cursed Dart(Desktop, Console and Mobile versions)
Ichor Dart(Desktop, Console and Mobile versions)
Crystal Dart(Desktop, Console and Mobile versions)
Meteor Staff(Desktop, Console and Mobile versions)
Crystal Serpent(Desktop, Console and Mobile versions)
Golden Shower
Cursed Flames
Crystal Storm
Frost Staff
Flower of Frost
Poison StaffMagic Dagger
Medusa Head(Desktop, Console and Mobile versions)Shadowflame Hex Doll(Desktop, Console and Mobile versions)
Sky Fracture(Desktop, Console and Mobile versions)
Spirit Flame(Desktop, Console and Mobile versions)Life Drain(Desktop, Console and Mobile versions)Clinger Staff(Desktop, Console and Mobile versions)
Nimbus Rod
Bubble Gun
Razorblade Typhoon
Wand of Sparking(Desktop, Console and Mobile versions)dontdigup and getfixedboi only
Wand of Frosting(Desktop, Console and Mobile versions)dontdigup and getfixedboi only
Aqua Scepterdontdigup and getfixedboi only
Flower of Firedontdigup and getfixedboi only
Palladium armor
Adamantite armor
Titanium armor
Forbidden armor(Desktop, Console and Mobile versions)
Mystic Robe(Desktop, Console, Old-gen console and Mobile versions)
Celestial Cuffs(Desktop, Console, Old-gen console and Mobile versions)
Sorcerer Emblem
Magnet Flower(Desktop, Console and Mobile versions)
Mana Cloak(Desktop, Console and Mobile versions)
Abigail's Flower(Desktop, Console and Mobile versions)
Spider Staff(Desktop, Console, Old-gen console and Mobile versions)
Sanguine Staff(Desktop, Console and Mobile versions)
Blade Staff(Desktop, Console and Mobile versions)
Tempest Staff
Queen Spider Staff(Desktop, Console, Old-gen console and Mobile versions)
Firecracker(Desktop, Console and Mobile versions)
Cool Whip(Desktop, Console and Mobile versions)
Spinal Tap(Desktop, Console and Mobile versions)
Snapthorn(Desktop, Console and Mobile versions)
Spider armor(Desktop, Console, Old-gen console and Mobile versions)
Obsidian armor(Desktop, Console and Mobile versions)
Summoner Emblem(Desktop, Console and Mobile versions)Berserker's Glove(Desktop, Console and Mobile versions)
Pygmy Necklace
Flask of Ichor((Desktop, Console and Mobile versions))Flask of Cursed Flames((Desktop, Console and Mobile versions))
Summoning Potion
Bewitching Table(Desktop, Console and Mobile versions)
War Table(Desktop, Console and Mobile versions)
For the mechanical bosses you have a choice between two whip-summon combinations. The Firecracker pairs well with the Sanguine Staff due to its high base damage getting increased with the Firecracker's debuff that increases summon damage by 2.75×. The Blade Staff pairs well with whip stacking the Cool Whip, Durendal (after one mechanical boss), Spinal Tap, and Snapthorn to the Blade Staff's low damage highly benefiting from the tag damage that the mentioned whips inflict.
Crystal Assassin armor(Desktop, Console and Mobile versions)
Spider Greaves(Desktop, Console, Old-gen console and Mobile versions)
Shield of Cthulhu(Desktop, Console and Mobile versions)
Volatile Gelatin(Desktop, Console and Mobile versions)
Royal Gel(Desktop, Console and Mobile versions)
Amphibian Boots(Desktop, Console and Mobile versions)
Frostspark Boots
Terraspark Boots(Desktop, Console and Mobile versions)
Ankh Shield
Charm of Myths
Frozen Wings
Leaf Wings(Old-gen console and 3DS versions)Putrid Scent(Desktop, Console and Mobile versions)Flesh Knuckles(Desktop, Console and Mobile versions)
Star Veil
Pirate Ship(Desktop, Console and Mobile versions)
Goat(Desktop, Console and Mobile versions)
Pigron(Desktop, Console, Old-gen console and Mobile versions)
Unicorn(Desktop, Console and Mobile versions)
Basilisk(Desktop, Console and Mobile versions)
Wolf(Desktop, Console and Mobile versions)
Winged Slime(Desktop, Console and Mobile versions)
Regeneration Potion
Ironskin Potion
Swiftness Potion
Rage Potion
Wrath Potion
Heartreach Potion
Lifeforce Potion
Endurance Potion
Well Fed
Plenty Satisfied(Desktop, Console and Mobile versions)
Exquisitely Stuffed(Desktop, Console and Mobile versions)
Slice of Cake(Desktop, Console and Mobile versions)
Building a Hardmode Arena
Proper terrain preparation is almost completely essential to successfully defeat all three mechanical bosses. Players who intend to solo the hardmode bosses will find the task very challenging without an adequate arena.
For solo players, build a very long bridge out of wood platforms. The bridge should be at least 1000 platforms long, but 2500 is recommended. Build the bridge a large distance from the ground; the ground should not be visible from any part of the bridge. Place blocks at each end of the bridge to prevent running off of the sides.
For team players, the arena can be much shorter. A team arena can be between 250-500 platforms long, but should also have 2-3 separate rows. Space the rows so they are not too close together, but are reachable with rocket boots.
Another Re-Usable Arena can be made out of the pre-hardmode boss arena, the old ones army one, and your skybridge. This allows reusing of the old arenas for Eye of Cthulhu/King Slime, events, and the wyvern arena.
Consider setting up Heart Statues and Star Statues on 1 Second Timers, as well as Sunflowers, Heart Lanterns, Campfires, Bast Statues(Desktop, Console and Mobile versions), Garden Gnomes(Desktop, Console and Mobile versions), and pools of Honey as these can make the battles much easier.
If you don't quite feel up to the task of making a second very long bridge, you could simply use the first one you built for the Wall of Flesh. This will also make the first fight easier due to all of the ambient light. However, after defeating your first mechanical boss, this becomes much harder due to the additional spawns of Lava Bats and Red Devils.
Fighting the Mechanical Bosses
The Destroyer is arguably the easiest of the three bosses and should be fought first. The Destroyer has a chance of spawning naturally at sunset with the message "You feel vibrations deep below..." It can also be summoned by using a Mechanical Worm at night. Fight the Destroyer first if you prefer melee or ranged, as its souls can be used to craft the Light Disc and the Megashark.
Boss: The Destroyer
Life: 80000
Defense: 0 (Head), 30 (Body), 35 (Tail)
Damage: 60 (Head), 40 (Body), 20 (Tail), 22 (Death Laser)
Minions: Probes
Drops: 20-44 
Hallowed Bar, 20-40 
Soul of Might, 5-15 
Greater Healing Potion, 
Mechanical Wagon Piece(Desktop, Console and Mobile versions) (expert)
Recommended Equipment: See above section "Recommended Equipment for Hardmode Bosses"
The Destroyer is the hardmode version of Eater of Worlds. The Destroyer uses a variation of worm AI, burrowing into the ground and making long sweeping passes at the player. The Destroyer is much longer than the Eater of Worlds and moves much faster. Unlike the Eater of Worlds, the Destroyer does not break into segments. The Destroyer's segments all have a shared life of 80000. All of its segments will be destroyed when this life reaches 0. The Destroyer will release Probes as it takes damage. Probes will drop hearts when killed. If the Destroyer is not defeated before 4:30 AM, it will run away.
Piercing weapons and AoE weapons are particularly effective against this boss. The Destroyer will frequently try to trap you with its body. Use a hook to get out of these situations. The Destroyer's drops come from its head when it is killed. When its health is very low, wait until any of its segments are above the ground before finishing it off.
The destroyer does not despawn if you use a Magic Mirror or Recall Potion to flee and will instead follow you. This can be helpful if the player sets up a house near the spawn point for the Nurse to move in, aiding the player in healing if the player's health is low.
Hallowed equipment (except for the Drax/Pickaxe Axe, which is necessary for progression) doesn't require boss souls; it only requires Hallowed Bars, which you can farm up from the Destroyer.
It is recommended to fight Skeletron Prime next, as ranged characters can make a Flamethrower if he is defeated.
Boss: Skeletron Prime
Life: 25000 (Head), 6000 (Cannon), 8000 (Saw), 8000 (Vice), 5000 (Laser)
Defense: 25 (Head), 50 (Head, while spinning), 25 (Cannon), 40 (Saw), 35 (Vice), 20 (Laser)
Damage (Melee): 50 (Head), 100 (Head, while spinning), 30 (Cannon), 52 (Saw), 45 (Vice), 29 (Laser)
Damage (Grenade): 40
Damage (Laser): 25
Drops: 19-35 Hallowed Bar, 20-40 
Soul of Fright, 5-15 Greater Healing Potions, 
Mechanical Battery Piece(Desktop, Console and Mobile versions) (expert)
Recommended Equipment: See above section "Recommended Equipment for Hardmode Bosses"
Skeletron Prime is the hardmode version of Skeletron. Skeletron Prime behaves very similarly to its predecessor. It alternates between attacking with its various appendages and using a deadly spinning attack with its head. Skeletron Prime has a lot of health and can take a long time to kill. If Skeletron Prime is not defeated before the sun rises, it will use an attack that instantly kills the player on touch.
The damage from all of its arms can add up quickly. Try to destroy the arms before focusing on the head. The Prime Saw and Prime Vice are very difficult to avoid and should be destroyed first. The Prime Laser is only a medium threat and should be killed after the Vice and Saw, and the Prime Cannon can be ignored. There are two methods to avoiding Skeletron Prime's attacks. The first is to use the maximum speed of Lightning or Frostspark Boots to stay out of reach (Prime Saw will always be able to keep up), combined with well-timed jumps to throw off the aim of Skeletron Prime's spinning head attack. The second method is to use Gravitation potions for a similar effect, though it can be harder to dodge some of Skeletron Prime's attacks this way.
The last of the three mechanical bosses is the Twins. This boss is the hardest of the three for most players and should be defeated last. The Twins have a chance of spawning at sunset with the message "This is going to be a terrible night..." They can also be summoned by using a Mechanical Eye at night. The Twins are recommended for magic and summoner players, as the Rainbow Rod, Magical Harp, and Optic Staff will be very useful weapons later on.
Boss: The Twins
Retinazer
Life: 20000
Defense: 10 (First Stage), 25 (Second Stage)
Damage (Melee): 50 (First Stage), 75 (Second Stage)
Damage (Laser): 20 (First Stage), 25 (Second Stage), 20 (Second Stage, Rapid Fire)
Spazmatism
Life: 23000
Defense: 10 (First Stage), 35 (Second stage)
Damage (Melee): 50 (First Stage), 75 (Second Stage)
Damage (Cursed Flame): 25 (First Stage), 30 (Second Stage)
Drops: 20-35 Hallowed Bar, 20-40 
Soul of Sight, 5-15 Greater Healing Potion, 
Mechanical Wheel Piece(Desktop, Console and Mobile versions) (Drops from last boss to be killed)
Recommended Equipment: See above section "Recommended Equipment for Hardmode Bosses"
The Twins are the hardmode version of Eye of Cthulhu. Both Twins will alternate between their signature attack (Laser for Retinazer, Cursed flame for Spazmatism), and charging at the player. The two choose attacks independently of the other. There will be times when one uses their signature while the other charges, when they both use their signature, and when they both charge. When a Twin gets down a certain amount of health (8000 / 12000 for Retinazer, 9200 / 13800 for Spazmatism), it will transform into a more powerful second stage. Both will gain a rapid-fire version of their signature attack and a much more damaging melee attack in their second stages. The first Twin killed will not yield any drops. When the second Twin is killed, the listed drops will appear where it was killed. The eyes can be killed in any order. If the Twins are not defeated before the sun rises, they will run away.
Each twin is much more dangerous in its second stage. Focus on one Twin at a time, and only move on to the second Twin when the first is destroyed. Retinazer's stage one signature is less dangerous, so kill Spazmatism first. The Twins have a charging attack that is extremely difficult to dodge. This charging attack will cripple a player if they can't consistently dodge it. There are two methods to dodging the attacks, like with Skeletron Prime. The first method is to reach max running speed with Lightning or Frostspark Boots and use timed jumps to throw off the trajectory of the charge. Jump just as a Twin is about to start a charge while maintaining run speed. This will cause the charging Twin to charge too fast, and then attempt to correct it as they try to charge again. The second method is to use Gravitation Potions and constantly fall - they won't be able to catch up to you. If a Twin is off screen too long, it will despawn like any other enemy (only on console and mobile though). This can be used to make Spazmatism despawn and simplify the fight greatly. However, you will not gain the loot.
Once any mechanical boss has been defeated, new challenges unlock, and the player gains access to new materials to work with, starting with the souls and bars dropped by the boss. Hallowed Bars can be used to craft Hallowed armor and several kinds of weapons.
The player can also return to the Underground Jungle to search for Life Fruit, a consumable item that can increase the player's maximum health to 500.
The Solar Eclipse is a very rare event and drops powerful weapons for all classes. You may need to do many before obtaining every item. In the 
Desktop version, 
Console version, and 
Mobile version, the Solar Eclipse can be summoned manually using a Solar Tablet, which can be crafted with eight Solar Tablet Fragments. The fragments drop from Flying Snakes And Lihzahrds, and can be found in Lihzahrd Chests in the Jungle Temple.
Event: Solar Eclipse
Monsters: Frankenstein, Swamp Thing, Reaper, Vampire, Eyezor, The Possessed, Fritz, Creature from the Deep
Monster Drops: 
Death Sickle, 
Moon Stone, 
Broken Bat Wing, 
Eye Spring, 
Broken Hero Sword, 
Neptune's Shell
Recommended Equipment: Hallowed or Chlorophyte
Solar eclipses occur randomly at dawn and last throughout the day. The enemies here are extremely dangerous and it may require gear from the Hardmode Jungle and Dungeon to efficiently farm them. If all the mechanical bosses are defeated, Reapers will begin to spawn and drop the Death Sickle, which is good for melee characters with its high DPS and piercing ability. After defeating Plantera, Nailheads, Butchers, Deadly Spheres, Mothrons, Dr. Man Flys and Psychos begin to appear, making even the most well-equipped player thus far to reach for his Magic Mirror. On the 
Old-gen console version and Nintendo 
version, the event is much safer, with only Frankensteins, Swamp Things, Reapers, Vampires, and Eyezors spawning.
Biome: The Underworld (Hardmode)
New Monsters: Lava Bat, Red Devil, Tortured Soul
Monster Drops: 
Magma Stone, 
Unholy Trident, 
Fire Feather
Recommended Equipment: Hallowed
Two new enemies now spawn in the Underworld after one Mechanical Boss has been defeated. Lava Bats are simply a stronger version of the Hellbat. Red Devils are the real danger, being able to deal over 100 damage with their trident attack. It's recommended that the player does anything they need to do in the Underworld (such as farming the Wall of Flesh for its special drops) before defeating mechanical bosses; otherwise, doing anything here may become much harder. As soon as Hardmode begins, it is possible to find a Tortured Soul which, when purification powder is used in it rather than killing it, transformed into a Tax Collector, which greatly boosts income.
Return to the Underground Jungle
Biome: Underground Jungle (Hardmode)
New Monsters: Moth, Moss Hornet, Angry Trapper, Arapaima, Giant Tortoise
Monster Drops: Uzi, 
Bezoar, 
Turtle Shell, 
Butterfly Dust, 
Tattered Bee Wing, 
Yelets(Desktop, Console and Mobile versions)
Notable Resources: 
Chlorophyte Ore, 
Life Fruit
Recommended Equipment: Hallowed
Now that one or more of the mechanical bosses have been defeated, Chlorophyte ore spawns throughout the underground jungle. Hardmode also makes it so that Life Fruits can occasionally be found growing amongst the foliage. Harvesting these two items should be a top priority. Life Fruits increase the player's health by 5, up to a maximum of 500, and Chlorophyte can be crafted into weapons and armor a step above Hallowed equipment.
Players using melee or ranged weapons can make even better armor by acquiring an additional material. Creating a house in the glowing mushroom biome will spawn the Truffle NPC, who sells the Autohammer. The Autohammer turns Chlorophyte bars into Shroomite bars, which are used to create Shroomite armor, a great armor for ranged attackers. Giant Tortoise drop Turtle Shell, which when combined with Chlorophyte Bars make Turtle armor, a powerful melee armor set. Make note that the Autohammer cannot be purchased until Plantera has been defeated.
Plantera
Also found in the underground jungle is a mysterious pink bulb. Destroying this bulb with a drill or pickaxe summons the boss Plantera.
Boss: Plantera
Life: 30000
Defense: 14
Damage: 50
Drops: 
Temple Key, 
Grenade Launcher, 
Pygmy Staff, 
Venus Magnum, 
Nettle Burst, 
Leaf Blower, 
Flower Pow, 
Wasp Gun, 
Seedling, 
The Axe, 
Seedler(Desktop, Console and Mobile versions), 
Thorn Hook(Desktop, Console and Mobile versions), 
Spore Sac(Desktop, Console and Mobile versions) (expert)
Recommended Equipment: Chlorophyte or Turtle armor; piercing weapons
Plantera can be one of the easiest bosses if you have an arena. Simply bomb out a large cave (although of course, make sure NOT to accidentally destroy Plantera's Bulb) and put a short wall in the middle of the cave. Put platforms below the wall so that you have a place to grapple to, and summon Plantera. Run around the wall you built and you should be fine. (See also: Guide:Plantera strategies)
Upon defeating Plantera, the message "Screams are echoing from the dungeon..." appears, and powerful new enemies are added to the dungeon. The boss also drops the Temple Key, which is used to open the Jungle Temple.
Jungle Temple
Biome: Jungle Temple
Monsters: Lihzahrd, Flying Snake, Golem
Monster Drops: 
Lihzahrd Power Cell, 
Lizard Egg, 
Solar Tablet Fragment(Desktop, Console and Mobile versions)
Recommended Equipment: Chlorophyte, Turtle, or Shroomite
After defeating Plantera, you will pick up a Temple Key that is used to unlock the door to the Jungle (also known as the Lihzahrd Temple). It is small compared to the normal dungeon, but it contains far more traps. In the console version of Terraria, you can use two Teleporters to teleport into the temple.
Golem
At the bottom of the Jungle Temple, there is a boss room with a lihzahrd altar. Using a Lihzahrd Power Cell on it summons the Golem.
Boss: Golem
Life: 15000 (Head), 8000 (Body), 6000 (Fist)
Defense: 24
Damage: 70
Drops: 
Stynger with 
Stynger Bolt, 
Possessed Hatchet, 
Sun Stone, 
Eye of the Golem, 
Picksaw, 
Heat Ray, 
Staff of Earth, 
Golem Fist, 
Golem Trophy, 
Beetle Husk, 
Shiny Stone(Desktop, Console and Mobile versions) (expert)
Recommended Equipment: Chlorophyte, Turtle, or Shroomite and post-Plantera weapons
Golem in its first stage is made significantly easier if the player focuses on destroying his fists before releasing his head's other attacks. Constant damage to the fists will nullify their attacks, leaving you free to attack at a range while avoiding his head's fireballs and lasers. In his second form, it is best to have built platforms to run underneath his jumping body Bowser-style while taking shots at him and avoiding his head attacks. This means that ranged attacks would be the safest strategy to beating him, providing you don't make too many mistakes and other mobs don't interfere. Note that his body has the ability to move midair, meaning that he can still change direction and land on you after running beneath him at a close distance.
The Golem drops the Picksaw, which enables the player to mine Lihzahrd Brick. The Stynger is a very effective explosive weapon. The Possessed Hatchet and Golem Fist are melee weapons with considerable range. Beetle Husk can make a great new melee armor. Heat Ray and Staff of Earth are efficient in the Hardmode Dungeon, where you should go next. The bonuses of the Sun Stone and Eye of the Golem will help as well.
See also: Guide:Golem strategies
Return to the Dungeon
Biome: Dungeon (Hardmode)
New Monsters: Rusty Armored Bones, Blue Armored Bones, Bone Lee, Paladin, Tactical Skeleton, Dungeon Spirit, Skeleton Commando, Necromancer, Giant Cursed Skull, Diabolist, Ragged Caster, Skeleton Sniper
Monster Drops: 
Shadowbeam Staff, 
Keybrand, 
Ectoplasm, 
Sniper Rifle, 
Rifle Scope, 
Tactical Shotgun, 
Paladin's Shield, 
Paladin's Hammer, 
Wisp in a Bottle, 
Magnet Sphere, 
Tabi, 
Black Belt, 
Spectre Staff, 
Inferno Fork
Recommended Equipment: Chlorophyte, Shroomite, Turtle, Beetle
After defeating Plantera, the dungeon's difficulty increases dramatically. There are stronger enemies and new drops from each. Also, note that the dungeon has 5 biome-related chests. To unlock each one, you may need to defeat many of the respective biome's enemies to get a key, which is used to unlock the respective chest. Dungeon Spirits, which may spawn after the player kills enemies in the dungeon, drop Ectoplasm, which is used to craft Spectre armor, a great armor for mages.
Duke Fishron
Boss: Duke Fishron
Life: 50000
Defense: 50
Damage: 100 (melee)
Drops: Flairon, Tsunami, Razorblade Typhoon, Tempest Staff, Bubble Gun, 
Fishron Wings, 
Shrimpy Truffle(Desktop, Console and Mobile versions) (expert)
Recommended Melee Equipment: Turtle or Beetle armor, Possessed Hatchet, and 
Vampire Knives
Recommended Ranged Equipment: Shroomite armor, 
Chain Gun or Tactical Shotgun with Chlorophyte Bullets, or Stynger
Recommended Magic Equipment: Spectre armor (Hood), (Desktop, Console and Mobile versions) Heat Ray, 
Bat Scepter, Golden Shower (maybe); Celestial Cuffs(Desktop, Console, Old-gen console and Mobile versions), Sorcerer Emblem or 
Celestial Stone
Recommended Accessories (all classes): Hoverboard (or any 
Wings), Frostspark Boots, Amphibian Boots(Desktop, Console and Mobile versions), 
Destroyer Emblem, Tabi / 
Master Ninja Gear, Shield of Cthulhu(Desktop, Console and Mobile versions) (expert)
Recommended Buff Potions (all classes): Ironskin, Regeneration, Swiftness, Thorns, Water Walking, Well Fed, Wrath, Rage, Lifeforce, Endurance, Summoning, Gravitation (optional)
Duke Fishron is one of the hardest bosses in the game as of 1.3.3.3. Just summoning the Duke is a significant challenge in itself, as you will need to capture the wily and elusive Truffle Worm. The spawn rates in naturally occurring Underground Glowing Mushroom biomes are low, and if you intend on getting the Fishron Wings (1/15 chance), as well as all his drops, you’ll need to defeat him on average 10 times. Add in a few more for the times you die and because the RNG hates you, and you could easily be looking at 20-25 truffle worms needed. Trying to net that many manually, even with the help of a Clentaminator, Golden Bug Net and Blue Solution, is tedious and frankly boring. Your best bet is to build a Truffle Worm farm, for which you can find a guide here.
Once you’ve collected sufficient Truffle Worms, you should select your class. Melee, ranged, and magic are all viable options. Ironically, the ranger, which has up until now been a mainstay of boss fights, is probably the worst option. Although the Ranger is still great at dealing high DPS, the lack of a self-healing attack, unlike the other two, also makes this the most dangerous approach, and with the Duke’s extremely high damage, leaves you very little margin for error. If you're a ranger, make one mistake and you’re dead. Melee using Vampire Knives is the second option, which is relatively safe. And despite Spectre armor (Hood) getting its damage nerfed by 40%, and mana potions nerfed a further 25%, the magic approach is probably still the best one (which goes to show how overpowered it was). As of 1.3, the new magic weapon Life Drain, with a 20% drop rate from the difficult Crimson Mimic, can serve as a magical replacement for the Vampire Knives, and can be obtained earlier in Hardmode by farming for Souls of Night, crafting a Key of Night, and farming Crimson Mimics. However, know that whereas the Vampire Knives' regenerative powers are proportional to damage, Life Drain simply provides faster regeneration, which may not be enough to save the player from death.
Unlike most boss fights, an arena is of little help. Duke Fishron seems to have been designed with the intention of being farm-proof (he’s not), and if you sit still or linger in the same area, he can literally take you from a full 600hp to zero in two seconds flat in his second stage, whereas if you keep moving and keep your distance, you shouldn’t take much damage. It is important to keep in mind that if you move too far away from him that he will despawn, wasting a precious Truffle worm.
Once you’re ready to fight the Duke, summon him by fishing in the Ocean using a Truffle Worm as bait. From there, the best strategy is to just continually run away while firing until he’s dead. Don’t stop moving at any time or you’ll die. In theory it’s best to use a Gravitation Potion for maximum mobility, but in reality you may actually have very little experience using Gravitation Potions, as they can be disorienting, you can run into floating islands, mountains, or worst, lakes (which will kill you), you can’t fly too high or you will float, and it will be very difficult to dodge (which will kill you). With Wings and Frostspark Boots, you’re very mobile on the ground too and both approaches are viable, so go with what you’re most comfortable with. The Tabi/Master Ninja Gear will allow you to dash out of the way of his more lethal attacks, but be wary of accidentally dashing into a Sharknado. If you have the Shield of Cthulhu, you are even better off, as it allows to dash into him without taking damage (if timed correctly). This can actually be a reliable lifesaver from his quick lunging attacks during his second stage, especially on expert mode (3rd stage). Note that of 1.3 if the player leaves the Ocean Biome Duke Fishron's defense and attack will double, making fighting across the map an invalid option. The best option as of the latest update will be to build platforms over the Ocean Biome and begin building a flexible arena.
Although Duke Fishron is a very difficult boss, he’s probably still easier than the Lunar Events and it’s probably best to beat him before taking on the Events. However, if you find yourself stuck attempting and failing to kill him, the Lunar Events may be the only other option to continue. If you do undergo the events, it's best to defeat your class's pillar (Vortex for ranged, Nebula for magic, Solar for melee, and Stardust for Summoner). Defeating a Pillar once allows the crafting of one of the Lunar Weapons. An optional detour is to defeat the Stardust Pillar to gain a powerful minion (Stardust Dragon or Stardust Cell) to aid you in the fight. BEWARE: if you defeat all Lunar Pillars, the Moon Lord will spawn, and chances are if you can't defeat Fishron, you have an even lower chance of defeating the Moon Lord. If you’re fighting Duke Fishron multiple times, the fight will be somewhat easier once you've acquired his weapon drops and wings.
For more strategies to defeat the Duke, see Guide:Duke Fishron strategies.
The Pumpkin Moon
Event: Pumpkin Moon
Monsters: Scarecrow, Splinterling, Hellhound, Poltergeist, Mourning Wood, Headless Horseman, Pumpking
Monster Drops: 
Scarecrow costume, 
Spooky Wood, 
Cursed Sapling, 
Spooky Twig, 
Spooky Hook, 
Necromantic Scroll, 
Stake Launcher, 
Mourning Wood Trophy, 
Jack 'O Lantern Mask, 
The Horseman's Blade, 
Pumpking Trophy, 
Candy Corn Rifle, 
Raven Staff, 
Jack 'O Lantern Launcher, Bat Scepter, 
Black Fairy Dust, 
Spider Egg
Recommended Equipment: Chlorophyte, Turtle, Spectre, or Shroomite
The Pumpkin Moon is summoned at night using the 
Pumpkin Moon Medallion. Unlike the Blood Moon and Solar Eclipse, enemies appear in up to 15 consecutive waves, similar to an invasion. During this event, the moon turns orange with a jack 'o lantern face.
See also: Guide:Pumpkin Moon strategies
The Frost Moon
Event: Frost Moon
Monsters: Present Mimic, Flocko, GingerBread, Zombie Elf, Elf Archer, Nutcracker, Yeti, Elf Copter, Everscream, Krampus, Ice Queen, Santa-NK1
Monster Drops: 
Christmas Tree Sword, 
Festive Wings, 
Razorpine, 
Christmas Hook, 
Everscream Trophy, 
Blizzard Staff, 
North Pole, 
Ice Queen Trophy, 
Snowman Cannon, 
Baby Grinch's Mischief Whistle, 
Reindeer Bells, 
Elf Melter, Chain Gun, 
Santa-NK1 Trophy
Recommended Equipment: Chlorophyte, Turtle, Spectre, or Shroomite
The Frost Moon is summoned at night using the 
Naughty Present. It is one of the most difficult events in the game, as it is meant for endgame players. Like the Pumpkin Moon, enemies appear in 15 standard waves as well as 5 extra bonus waves. During this event, the moon changes color to look like the face of a snowman.
See also: Guide:Frost Moon strategies
Martian Madness
Event: Martian Madness
Monsters: Brain Scrambler, Gray Grunt, Ray Gunner, Martian Officer, Martian Engineer, Gigazapper, Tesla Turret, Martian Walker, Scutlix, Martian Saucer
Monster Drops: 
Martian Conduit Plating(Desktop, Console and Mobile versions), 
Martian Costume(Desktop, Console and Mobile versions), 
Laser Machinegun(Desktop, Console and Mobile versions), 
Xenopopper(Desktop, Console and Mobile versions), 
Cosmic Car Key(Desktop, Console and Mobile versions), 
Laser Drill(Desktop, Console and Mobile versions), 
Electrosphere Launcher(Desktop, Console and Mobile versions), 
Charged Blaster Cannon(Desktop, Console and Mobile versions), 
Influx Waver(Desktop, Console and Mobile versions), 
Anti-Gravity Hook(Desktop, Console and Mobile versions), 
Martian Saucer Trophy(Desktop, Console and Mobile versions)
Recommended Equipment:Shroomite armor, Turtle armor, Beetle armor, Spectre armor
Martian Madness is an invasion-type event that can happen after defeating Golem. Occasionally, in the outer two-thirds of your map, a Martian Probe will randomly appear. If it scans you and escapes, the event will start. This event cannot be triggered manually.
The Lunatic Cultist
Boss: Lunatic Cultist
Life: 32000
Damage: 50
Defense: 42
Minions: Phantasm Dragon, Ancient Vision
Drops: 
Ancient Manipulator(Desktop, Console and Mobile versions), 
Ancient Cultist Mask, 
Ancient Cultist Trophy(Desktop, Console and Mobile versions), Greater Healing Potions
The Lunatic Cultist is a boss summoned by killing the four Cultists that spawn at the Dungeon after defeating Golem. Once the Lunatic Cultist is defeated, the Lunar Events will start.
Before reaching a certain health level, it will use 3 attacks:
- Firing 3 homing
fireballs projectiles that explode on impact. - Summoning an ice fractal that fires
ice shards in six directions four times over as it flies in one direction before fading away. - Summoning a
orb that fires bolts of lightning at the character.
After reaching around half health, it will use a fourth attack:
- Firing 2 spreads of 5 destructible
Ancient Light.
In Expert Mode, it may also spawn numerous 
Ancient Dooms that fire four purple projectiles in a cross pattern.
After cycling through its attacks a few times, it will fade away, and reappear in a ritual-like circle, with duplicates of itself called Ancient Cultists. The player must hit the real cultist to stop the ritual. Attacking a fake or letting the ritual finish will cause a Phantasm Dragon to spawn, and cause the respective Ancient Cultist to fight alongside the real cultist, if the former happens. This fake cultist can be destroyed by attacking the real cultist when it performs its ritual again.
Attacking a fake while the Phantasm Dragon is still alive will result an Ancient Vision being spawned, NOT another Phantasm Dragon.
See also: Lunatic Cultist
See also: Guide:Lunatic Cultist strategies
The Celestial Pillars
Once the Lunatic Cultist is defeated, four pillars will spawn in the world. These can easily be found with the map. Be sure to pick up the Ancient Manipulator the Cultist drops, as it is needed to craft end-game gear.
Chances are that you will be near a pillar when they spawn. The pillars represent the four classes: Solar for melee, Vortex for ranged, Nebula for magic, and Stardust for summoning. There is no set order necessary to kill them, but it is preferable to take on the one corresponding to your class first, then the Stardust Pillar to get the powerful Stardust Dragon Staff.
Boss: Solar Pillar
Life: 20000
Defense: 20
Damage: 0 (melee), 90 (solar flare)
Minions: Selenian, Drakanian, Corite, Sroller, Drakomire, Crawltipede
Drops: 
Solar Fragment(Desktop, Console and Mobile versions) (12-60) 18-90
Recommended Melee Equipment: Turtle or Beetle armor, and Vampire Knives, North Pole, Paladin's Hammer, Scourge of the Corruptor, Influx Waver
Recommended Ranged Equipment: Shroomite armor and Stynger, Megashark, Chain Gun, Electrosphere Launcher, Tsunami, Sniper Scope
Recommended Magic Equipment: Spectre armor (Hood)/(Mask), Razorblade Typhoon, Laser Machinegun, Blizzard Staff, Bat Scepter, Golden Shower, Celestial Cuffs, Sorcerer Emblem or Celestial Stone, Razorpine, Bubble Gun, Magic Power Potion, Mana Regeneration Potion, Crystal Ball
Recommended Accessories (all classes): Frostspark Boots, Star Veil
Recommended Buff Potions (all classes): Ironskin, Regeneration, Swiftness, Thorns, Well Fed, Wrath, Rage, Lifeforce, Endurance, Summoning.
The Solar Pillar is a tough one to crack, and, like all the Pillars, you will be under constant attack from its minions.
To make the Solar Pillar (or any pillar) vulnerable, you must kill 100 (50 after the Moon Lord is defeated) minions to deactivate its shield, allowing it to be harmed directly.
Try to stay out of the air around the Solar Pillar if possible, because the Crawltipedes will swarm and kill you quickly otherwise. If need be, aim at their weak spot, the tail, to kill them. This will give you a small window to take flight before another spawns.
Be sure to also be wary of the Corites that spawn as well, because their charge attack can be deadly, or even fatal when they swarm you.
The Selenians are extremely deadly when they are spinning, as they can reflect damage, which is able to deal heavy damage to the caster/shooter. Avoid high damage ranged/magic weapons like Nebula Blaze and Sniper Rifle. It is recommended to use low-damage, high fire weapons like the Razorpine, melee weapons, and summons.
Because many of the enemies from this pillar cannot pass through solid blocks, it's recommended that you attempt to find an area where most mobs will have trouble reaching you, but where you can reach them. If possible, try to obtain a weapon that can pass through walls, such as the Nettle Burst or Flying Dragon.
Boss: Vortex Pillar
Life: 20000
Defense: 20
Damage: 0
Minions: Vortexian, Storm Diver, Alien Hornet, Alien Queen
Drops: 
Vortex Fragment(Desktop, Console and Mobile versions) (12-60) 18-90
Recommended Melee Equipment: Turtle or Beetle armor, and Vampire Knives
Recommended Ranged Equipment: Shroomite armor and Stynger, Megashark
Recommended Magic Equipment: Spectre armor (Hood)/(Mask), Bat Scepter, Golden Shower, Celestial Cuffs, Sorcerer Emblem or Celestial Stone, Razorpine/Bubble Gun, Magic Power Potion, Mana Regeneration Potion, Crystal Ball
Recommended Accessories (all classes): Wings, Frostspark Boots, Master Ninja Gear (Black Belt), Star Veil
Recommended Buff Potions (all classes): Ironskin, Regeneration, Swiftness, Thorns, Well Fed, Wrath, Rage, Lifeforce, Endurance, Summoning.
Like every Pillar, to make the Vortex Pillar susceptible to damage, you must defeat 100 (50 after the Moon Lord is defeated) minions to deactivate its shield.
Try to take out the Storm Divers and Alien Queens first, as the Storm divers have a very strong shotgun attack that can deal large amounts of damage, while the Alien Queens can inflict the distorted debuff, which leaves the player extremely susceptible to other enemies.
Gravity is distorted around areas of the Vortex Pillar as well, so beware of the area around it. Because this is a ranged pillar, you will find that many of the enemies are going to fire volleys of projectiles at you. Due to this, it is recommended you have a Black Belt or a Master Ninja Gear, so you can have a slight chance to dodge these attacks.
Boss: Nebula Pillar
Life: 20000
Defense: 20
Damage: 0
Minions: Nebula Floater, Brain Suckler, Predictor, Evolution Beast
Drops: 
Nebula Fragment(Desktop, Console and Mobile versions) (12-60) 18-90
Recommended Melee Equipment: Turtle or Beetle armor, and Vampire Knives
Recommended Ranged Equipment: Shroomite armor and Stynger, Megashark
Recommended Magic Equipment: Spectre armor (Hood)/(Mask), Bat Scepter, Golden Shower, Celestial Cuffs, Sorcerer Emblem or Celestial Stone, Razorpine/Bubble Gun, Magic Power Potion, Mana Regeneration Potion, Crystal Ball
Recommended Accessories (all classes): Wings, Master Ninja Gear (Black Belt), Frozen Turtle Shell
Recommended Buff Potions (all classes): Ironskin, Regeneration, Swiftness, Thorns, Well Fed, Wrath, Rage, Lifeforce, Endurance, Summoning.
Like every Pillar, to make the Nebula Pillar susceptible to damage, you must defeat 100 (50 after the Moon Lord is defeated) minions to deactivate its shield.
Focus on the Brain Sucklers that fly at you to prevent them from latching onto your head. If they do, aim your weapon above you to knock them off, or simply swing any regular sword/ melee weapon. The Nebula Floaters are tricky, as they will randomly teleport around. Take them out quickly, and dodge their beam attacks.
With this pillar, it is best to avoid the ground. Predictors and Evolution Beasts can make quick work of any player ground-bound, so sticking to the air is best. This is because Brain Sucklers have no projectile attack, and are relatively easy to kill. If the player is skilled, the pillar can be defeated relatively easily.
It is highly recommended to use flight accessories like wings for temporary flight, or the Cosmic Car Key, Shrimpy Truffle, and Scaly Truffle for permanent flight.
Boss: Stardust Pillar
Life: 20000
Defense: 20
Damage: 0
Minions: Star Cell, Flow Invader, Twinkle Popper, Stargazer, Milkyway Weaver
Drops: Stardust Fragment (12-60) 18-90
Recommended Melee Equipment: Turtle or Beetle armor, and Vampire Knives
Recommended Ranged Equipment: Shroomite armor and Stynger, Megashark
Recommended Magic Equipment: Spectre armor (Hood)/(Mask), Bat Scepter, Golden Shower, Celestial Cuffs, Sorcerer Emblem or Celestial Stone, Razorpine/Bubble Gun, Magic Power Potion, Mana Regeneration Potion, Crystal Ball
Recommended Accessories (all classes): Wings
Recommended Buff Potions (all classes): Ironskin, Regeneration, Swiftness, Thorns, Well Fed, Wrath, Rage, Lifeforce, Endurance, Summoning.
Like every Pillar, to make the Stardust Pillar susceptible to damage, you must defeat 100 (50 after the Moon Lord is defeated) minions to deactivate its shield.
Take out the Star Cells quickly so they don't overwhelm you, but be sure to also kill the little ones they split into as well. If left to long, these will grow into full-sized Star Cells again. The Milkyway Weavers are a big threat, as unlike normal worm AI, they can follow you into the air. Attack their head to kill them easily. The Stargazers should not be taken lightly either, as they have a beam attack that could easily drain a player's health.
If you are experienced, you may want to herd together a group of Star Cells and only kill the large ones, leaving the small ones alive, then wait for them to regrow. Using this tactic, you can max out the spawn limit such that nothing else can spawn, and farm out the Star Cells until the Pillar is vulnerable.
Once the final Pillar is defeated, the status message "Impending doom approaches..." will appear. About a minute later, the Moon Lord will spawn. It is recommended to have potions for the fight, as he will easily kill you if you are not prepared.
The Moon Lord
The Moon Lord, bearing a striking resemblance to Cthulhu but confirmed not to be by the developers (although at health thresholds it spawns True Eyes of Cthulhu), is summoned directly after defeating the final Celestial Pillar and serves as Terraria's final boss as of version 1.3.
Head: 50
Hands: 40
Core: 70
True Eye of Cthulhu(Desktop, Console and Mobile versions)
Moon Leech Clot(Desktop, Console and Mobile versions)
Moon Lord Mask(Desktop, Console and Mobile versions)
Luminite(70-90)(Desktop, Console and Mobile versions)
Portal Gun(Desktop, Console and Mobile versions)
Meowmere(Desktop, Console and Mobile versions)
Terrarian(Desktop, Console and Mobile versions)
Star Wrath(Desktop, Console and Mobile versions)
S.D.M.G.(Desktop, Console and Mobile versions)
Celebration Mk2(Desktop, Console and Mobile versions)
Last Prism(Desktop, Console and Mobile versions)
Lunar Flare(Desktop, Console and Mobile versions)
Rainbow Crystal Staff(Desktop, Console and Mobile versions)
Lunar Portal Staff(Desktop, Console and Mobile versions)
Meowmere Minecart(Desktop, Console and Mobile versions)
Moon Lord Trophy(Desktop, Console and Mobile versions)
Super Healing Potions(5-15)(Desktop, Console and Mobile versions)
- Exquisitely Stuffed(Desktop, Console and Mobile versions)
Lifeforce
Ironskin
Rage
Wrath
Endurance
Regeneration
Archery (for bow users)
Magic Power (for magic players)
Mana Regeneration (for magic players)
Summoning (for summoner players)
Sharpened(Desktop, Console and Mobile versions) / Sharpening Station(Desktop, Console and Mobile versions) (for melee players)
Ammo Reservation / Ammo Box(Desktop, Console, Old-gen console and Mobile versions) (for ranged players)
Clairvoyance / 
Crystal Ball (for magic players)
Bewitched(Desktop, Console and Mobile versions) / Bewitching Table(Desktop, Console and Mobile versions) (all players)
Swiftness (doesn't affect Mounts)
There's a reason the developers chose him to be the game's "final boss". Similar to Duke Fishron, the boss sweeps side to side, taking up the entire screen and making arenas less effective than with other bosses. Recommended arenas include a minecart track or an asphalt skybridge, running along the length of the world for maximum damage output. Its defeat means subsequent runs will be easier with its drops but still provides quite a challenge even with the best gear. Luminite is used to craft end-game gear and mounts, including the Drill Containment Unit, which requires 40 Luminite Bars, or ~two Moon Lord defeats. To craft all items with Luminite, 1308 ores are required, meaning Moon Lord must be defeated 15-19 times in Normal Mode. However, to craft all the equipment related to only one type of lunar fragment, 204 ores are required, meaning Moon Lord must only be defeated 3 times in Normal Mode.
The Post-Game
After defeating the moon invasions and acquiring all their drops, the player is free to do anything. You could try designing an ultimate castle or PvP with other top-tier players, or even overcome incredibly difficult challenges (e.g. Frost Moon wave 15+ with Ranger, no arena.) The only end is the player's imagination!
Some things you might try:
- Purify the Corruption or Crimson biomes.
- Reach top tier in Fishing and acquire the Hotline Fishing Hook/Golden Fishing Rod.
- Beat multiple Bosses at once.
- Complete all the achievements.
- Defeat the Dungeon Guardian.
- Get 100% in the Bestiary.
- Play on an online server.
- Explore player-made custom maps and content.
- Make your own theme park using minecarts.
- Learn how to golf.
- Experiment with the extremely elaborate combinations possible with wiring and teleporters, such as making your own in-game computer!
- Try to complete the game as different Classes.
- Do a hardcore playthrough.
- Do speedruns.
- Play, design, and/or create new PvP modes for all to enjoy!
- Acquire every single weapon and tool.
- Obtain every single armor and vanity set.
- Gather up every single accessory and dye.
- Collect every single Trophy/Relic and Banner.
- Play through the game on Expert Mode or Master Mode.
- Seek out the rarest items in the game, such as the Nymph Banner or Pinky Banner.
- Find bugs and glitches so developers can fix them.
- Create a mod or texture pack, or maybe an adventure/puzzle map.
- Become a wiki contributor!
- Get every item in the duplication window (Journey Mode).
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