Light sources

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The brightness values written as X%-Y% can be confusing to some people, so it should be clarified what situations the brightness changes in. Brightness percentage is a bit vague, so this either needs to be clarified or replaced with tile distance. Witch's Broom, Helium Moss, and Frost armor are all unknown. The Portable, Furniture, and Novelty lights sections under Primary light sources and the Furniture, Accessories, Blocks, and Pets sections under Secondary light sources all lack brightness percentages.
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“

Torches and Glowsticks can be a light for you in dark places when all other lights go out. Torches won't work underwater, but Glowsticks will.

— A loading screen tip

Light sources are items that produce light. Some are brighter than others and produce varying colors of light. Note that several weapons and armor types also generate light, but are not listed on this page.

Primary light sources

These items are intended to provide light as a primary function.

Portable

The following items are portable light sources that can provide light while being carried. Torches and Candles may also be placed as Furniture, and Glowsticks can be thrown. Water Candles will increase enemy spawn rates in the vicinity, while Peace Candles will do the opposite.

Item	Emits light when	Waterproof	Mechanism	House
Torch	Held, dropped, placed	❌	✔️	✔️
Cursed Torch	Held, dropped, placed	✔️	✔️	✔️
Ichor Torch	Held, dropped, placed	✔️	✔️	✔️
Coral Torch(Desktop, Console and Mobile versions)	Held, dropped, placed	✔️	✔️	✔️
Candle	Held, dropped, placed	✔️ (placed) ❌ (held)	✔️	✔️
Glowstick	Held, dropped, thrown	✔️	❌	❌
Sticky Glowstick	Held, dropped, thrown	✔️	❌	❌
Bouncy Glowstick(Desktop, Console and Mobile versions)	Held, dropped, thrown	✔️	❌	❌
Fairy Glowstick(Desktop, Console and Mobile versions)	Held, dropped, thrown	✔️	❌	❌
Spelunker Glowstick(Desktop, Console and Mobile versions)	Held, dropped, thrown	✔️	❌	❌
Mining Helmet	Equipped in helmet slot	✔️	❌	❌
Jellyfish Necklace	Equipped in accessory slot	✔️	❌	❌
Magiluminescence(Desktop, Console and Mobile versions)	Equipped in accessory slot	✔️	❌	❌
Flare Gun	Held, when a Flare is available	✔️	❌	❌
Flare / Blue Flare	Fired from Flare Gun	✔️	❌	❌
Release Lantern(Desktop, Console and Mobile versions)	Thrown/used (disappears after a while)	✔️	❌	❌
Nightglow(Desktop, Console and Mobile versions)	Held	✔️	❌	❌

Furniture

The following provide light primarily as placed background furniture.

Item	Waterproof	Mechanism	House
Fireplace(Desktop, Console and Mobile versions)	✔️	✔️	✔️
Tiki Torch	❌	✔️	✔️
Lamp Post	✔️	✔️	✔️ (Desktop, Console and Mobile versions) ❌ (Old-gen console and 3DS versions)
Blue Jellyfish Jar	✔️	❌	✔️
Pink Jellyfish Jar	✔️	❌	✔️
Green Jellyfish Jar	✔️	❌	✔️
Blue Fairy Jar(Desktop, Console and Mobile versions)	✔️	❌	❌
Pink Fairy Jar(Desktop, Console and Mobile versions)	✔️	❌	❌
Green Fairy Jar(Desktop, Console and Mobile versions)	✔️	❌	❌
Candle	✔️	✔️	✔️
Candelabra	✔️	✔️	✔️
Chandelier	✔️	✔️	✔️
Lantern	✔️	✔️	✔️
Heart Lantern	✔️	✔️	✔️
Star in a Bottle	✔️	✔️	✔️
Firefly in a Bottle	✔️	❌	✔️
Lightning Bug in a Bottle	✔️	❌	✔️
Lavafly in a Bottle(Desktop, Console and Mobile versions)	✔️	❌	✔️
Souls in a Bottle(Desktop, Console and Mobile versions)	✔️	❌	✔️
Lamps(Desktop, Console, Old-gen console and Mobile versions)	❌	✔️	✔️
Skull Lantern	❌	❌	✔️
Jack 'O Lantern	❌	✔️	✔️

Novelty lights

These placeable items provide a low amount of colored light, and are primarily intended as decoration, rather than providing functional light.

Item	Source	Waterproof	Mechanism	House
Disco Ball	Merchant (1 GC)	✔️	✔️	❌
Lava Lamp(Desktop, Console and Mobile versions)	Party Girl (2 GC)	✔️	❌	❌
Christmas lights	Santa Claus (5 SC)	✔️	✔️	✔️
Wire Bulb(Desktop, Console and Mobile versions)	Mechanic (5 GC)	✔️	✔️	❌

Light Pets

These items summon a secondary floating light-emitting character that follows the player. They are infinitely reusable, cost no mana, remain indefinitely, and work in liquids. Light Pets have their own equipment slot in the player's inventory.

Item	Brightness
Shadow Orb (item)	65%
Crimson Heart (item)(Desktop, Console and Mobile versions)	65%
Magic Lantern(Desktop, Console and Mobile versions)	65%
Fairy Bell	80%
Creeper Egg(Desktop, Console and Mobile versions)	80%
Wisp in a Bottle	120%
Suspicious Looking Tentacle(Desktop, Console and Mobile versions)	120%
Pumpkin Scented Candle(Desktop, Console and Mobile versions)	80%
Guardian Golem(Desktop, Console and Mobile versions)	80%
Jewel of Light(Desktop, Console and Mobile versions)	120%

Buffs

The following buffs provide light.

Buff	Brightness	Source item	Duration	Waterproof
Shine	100%	Shine Potion	10 minutes	✔️
Basilisk Mount(Desktop, Console and Mobile versions)	20%	Ancient Horn(Desktop, Console and Mobile versions)	Infinite (when below 27' underground)	✔️
Rudolph	20%	Reindeer Bells	Infinite	✔️
Leaf Crystal	10%	Chlorophyte armor(set bonus)	Infinite	✔️
Witch's Broom(Desktop, Console and Mobile versions)	?	Witch's Broom(Desktop, Console and Mobile versions)	Infinite	✔️

Secondary light sources

The following items produce varying amounts of light, even though lighting is not their primary function (so the furniture here do not count as light sources for NPC housing).

Furniture

Item	Brightness	Source	Waterproof	Mechanism
Crystal Shard	20%	(Desktop, Console and Mobile versions) Plundering (Underground Hallow)	✔️	❌
Campfire	125%	: 10  + 5  or  : 20  + 5  Plundering	❌	✔️
Furnace	80%	20  + 4  + 3  ( @  ) Merchant (3 SC (Desktop, Console and Mobile versions))	✔️	❌
Hellforge	80%	Plundering (Ruined House)	✔️	❌
Adamantite Forge	80%	30  + ( @  /  )	✔️	❌
Titanium Forge	80%	30  + ( @  /  )	✔️	❌
Glass Kiln(Desktop, Console, Old-gen console and Mobile versions)	80%Verify	18  + 8  ( @  /  )	✔️	❌
Lihzahrd Furnace(Desktop, Console, Old-gen console and Mobile versions)	80%Verify	Plundering (Jungle Temple)	✔️	❌
Lihzahrd Altar	10%	Plundering (Jungle Temple)	✔️	❌

Accessories

Item	Emits light when
Rocket Boots	Flying
Jetpack Vortex Booster(Desktop, Console and Mobile versions) Lazure's Barrier Platform(Desktop, Console and Mobile versions)	Flying
Butterfly Wings Fairy Wings Flame Wings Frozen Wings	Flying
Mothron Wings(Desktop, Console and Mobile versions) Yoraiz0r's Spell(Desktop, Console and Mobile versions)	Idle, flying

Blocks

Corresponding walls will generally give off light, with Offline Gemspark Walls, Aetherium Walls, and Aetherium Brick Walls being the exceptions. This may not be noticeable if both are used in the same area, as the blocks tend to outshine the walls.

Block	Wall	Source	Mechanism
Demonite Ore		( @  ) (Desktop, Console and Mobile versions) (Desktop, Console and Mobile versions) Plundering
Demonite Brick	Demonite Brick Wall	+ 5  ( @  ) Plundering
Crimtane Ore		( @  ) (Desktop, Console and Mobile versions) (Desktop, Console and Mobile versions) Plundering
Crimtane Brick(Desktop, Console and Mobile versions)	Crimtane Brick Wall(Desktop, Console and Mobile versions)	+ 5  ( @  )
Aetherium Block(Desktop, Console and Mobile versions)	Aetherium Wall(Desktop, Console and Mobile versions)	+
Aetherium Brick(Desktop, Console and Mobile versions)	Aetherium Brick Wall(Desktop, Console and Mobile versions)	+ ( @  )
Meteorite		Plundering (Meteorite (biome))
Meteorite Brick(Desktop, Console and Mobile versions)	Meteorite Brick Wall(Desktop, Console and Mobile versions)	: 5  + ( @  )
Shroomite Plating(Desktop, Console and Mobile versions)	Shroomite Plating Wall(Desktop, Console and Mobile versions)	25  + ( @  )
Gemspark Block(Desktop, Console, Old-gen console and Mobile versions)	Gemspark Wall(Desktop, Console, Old-gen console and Mobile versions) Offline Gemspark Wall(Desktop, Console, Old-gen console and Mobile versions)	20  + ( @  )	✔️ (block) ❌ (wall)
Lavafall Block(Desktop, Console, Old-gen console and Mobile versions)	Lavafall Wall(Desktop, Console, Old-gen console and Mobile versions)	( @  &  )
Living Fire Block(Desktop, Console, Old-gen console and Mobile versions)		Dropped by any enemy in the Underworld
Rainbow Brick	Rainbow Brick Wall
Martian Conduit Plating(Desktop, Console and Mobile versions)	Martian Conduit Wall(Desktop, Console and Mobile versions)
Solar Fragment Block(Desktop, Console and Mobile versions)		+ 5  ( @  )
Vortex Fragment Block(Desktop, Console and Mobile versions)		+ 5  ( @  )
Nebula Fragment Block(Desktop, Console and Mobile versions)		+ 5  ( @  )
Stardust Fragment Block(Desktop, Console and Mobile versions)		+ 5  ( @  )
Echo Block(Desktop, Console and Mobile versions)	Echo Wall(Desktop, Console and Mobile versions)	Cyborg (10 SC)

Growable

These can be spawned given the right conditions, which occur naturally and can also be induced by the player.

Item	Brightness	Grows on	Emits light when	Waterproof
Blinkroot	0%–100%	Dirt, Mud, or in a Clay Pot	Blooming (random)	✔️
Fireblossom	70%	Ash, or in a Clay Pot	Blooming (at dusk)	✔️
Moonglow	30%	Jungle Grass, or in a Clay Pot	Blooming (at night)	✔️
Shiverthorn(Desktop, Console, Old-gen console and Mobile versions)	75%	Snow, Ice or in a Clay Pot	Blooming (after a period of time)	✔️
Jungle Spores	75%	Jungle Grass in Underground Jungle	Always	✔️
Mushroom grass	48%–52%	Mud	Always	✔️
Glowing Mushrooms	48%–52%	Mushroom Grass	Always	✔️
Giant Glowing Mushroom	48%–52%	Mushroom Grass	Always	✔️
Lava Moss(Desktop, Console and Mobile versions)	35%	Stone in the lava layer or Gray Brick	Always	✔️
Krypton Moss(Desktop, Console and Mobile versions)	35%	Stone or Gray Brick	Always	✔️
Xenon Moss(Desktop, Console and Mobile versions)	35%	Stone or Gray Brick	Always	✔️
Argon Moss(Desktop, Console and Mobile versions)	35%	Stone or Gray Brick	Always	✔️
Neon Moss(Desktop, Console and Mobile versions)	35%	Stone or Gray Brick	Always	✔️
Helium Moss(Desktop, Console and Mobile versions)	?%	Stone or Gray Brick	Always	✔️

Pets

These are normal pets who emit light either incidentally, or as part of their movement, but are not Light Pets.

Pet	Item	Emits light when
Baby Truffle	Strange Glowing Mushroom	Always (same brightness as Glowing Mushrooms)
Cupid(3DS version)	Broken Heart(3DS version)	Always
Cursed Sapling	Cursed Sapling	While fast-traveling or not on the ground
Shadow Mimic(Desktop, Console and Mobile versions)	Ornate Shadow Key(Desktop, Console and Mobile versions)	While fast-traveling or not on the ground
Volt Bunny(Desktop, Console and Mobile versions)	Lightning Carrot(Desktop, Console and Mobile versions)	While fast-traveling or flying
Dynamite Kitten(Desktop, Console and Mobile versions)	Ball O' Fuse Wire(Desktop, Console and Mobile versions)	While flying

Other

Item	Brightness	Source	Emits light when	Waterproof
Lava	10%–50%	Lower Cavern and below	As liquid	❌ (spawns Obsidian on contact)
Teleporter	10%	Mechanic (2 GC50 SC) Steampunker (2 GC50 SC)	When flashing	✔️
Plantera's Bulb	20%–25%	Underground Jungle	Always	✔️
Frost Armor	?	Crafted	Causes all melee and ranged weapons and projectiles to glow	✔️

On world generation only

These are produced only on World creation, and can not be picked up, used, or placed by players.

Item	Brightness	Found in	Waterproof
Demon Altar	0%–10%	Corruption	✔️
Crimson Altar	0%–10%	Crimson	✔️
Shadow Orb	0%–10%	Corruption	✔️
Crimson Heart	0%–10%	Crimson	✔️