Critical hit
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Critical hits occur randomly when striking enemies. By default, each successful hit on an enemy has a 4% chance of being a "critical hit", dealing approximately double the usual damage of the weapon in use with 40% more knockback. A small number of weapons have a base critical strike chance that is higher than the default 4%. In addition, certain modifiers, armor bonuses, accessories, and buffs can boost the player's effective critical strike chance.
Visually, critical hits are displayed as slightly exaggerated bold damage numbers that linger on-screen for a longer period, have deeper color, and travel slightly higher than damage numbers from ordinary hits.
Notes
- In the terms of average damage per second, the same amount of damage increase equates to the same amount of critical strike increase when the critical strike chance is below 100%, if one disregard damage rounding. However, because the bonus damage from critical hits are calculated after calculating the defense of the target:
- For a target with a non-zero amount of defense, equivalent amounts of increase to damage is more effective than to critical strike chance, and its effectiveness linearly increases as the defense increases.
- The edge damage increase has over critical strike chance increase linearly diminishes as the defense negates more damage than the damage of the original hit, without any bonuses.
- Because all hits must deal at least 1 damage, if the defense is large enough to negate the highest damage possible in the scenarios provided, critical strike increases are always more effective than damage increases, since damage increases do nothing. This can be seen on enemies such as the Dungeon Guardian.
- That being said, having a mix of both increases will always be more effective than just having one, due to the fact that the average damage per second increases stack multiplicatively between damage and critical strike chance increases.
- Minions cannot normally deal critical hits, only by wearing a full set of Monk armor (16.7%) or Shinobi Infiltrator armor (25%) with any of the Lightning Aura sentry summons or by using a Morning Star (12%) or Kaleidoscope (10%) with any minion can crits be dealt at a fixed rate depending on which is used.
- Players attacking other players in PvP will also not deal critical hits.
Weapons with non-standard base critical strike chance
| Weapon | Base Critical Chance |
|---|---|
 MusketInternal Item ID: 96
|
11% |
 SunfuryInternal Item ID: 220
|
11% |
 Poisoned KnifeInternal Item ID: 287
|
8% |
 Ice BoomerangInternal Item ID: 670
|
6% (Desktop, Console and Mobile versions) / 4% (Old-gen console and 3DS versions) |
 KeybrandInternal Item ID: 671
|
20% |
 MarrowInternal Item ID: 682
|
9% |
 Ice BladeInternal Item ID: 724
|
6% |
 Sniper RifleInternal Item ID: 1254
|
29% |
 Staff of EarthInternal Item ID: 1296
|
24% |
 S.D.M.G.(Desktop, Console and Mobile versions)Internal Item ID: 1553
|
14% |
 Candy Corn RifleInternal Item ID: 1782
|
10% |
 Jack 'O Lantern LauncherInternal Item ID: 1784
|
10% |
 Stake LauncherInternal Item ID: 1835
|
14% |
 Pulse Bow(Desktop, Console, Old-gen console and Mobile versions)Internal Item ID: 2223
|
11% |
 Revolver(Desktop, Console, Old-gen console and Mobile versions)Internal Item ID: 2269
|
9% |
 Katana(Desktop, Console, Old-gen console and Mobile versions)Internal Item ID: 2273
|
19% |
 Obsidian SwordfishInternal Item ID: 2331
|
24% |
 Shadowflame Bow(Desktop, Console and Mobile versions)Internal Item ID: 3052
|
7% |
 Shadowflame Hex Doll(Desktop, Console and Mobile versions)Internal Item ID: 3053
|
7% |
 Shadowflame Knife(Desktop, Console and Mobile versions)Internal Item ID: 3054
|
7% |
 Wand of Sparking(Desktop, Console and Mobile versions)Internal Item ID: 3069
|
14% |
 Slap Hand(Desktop, Console and Mobile versions)Internal Item ID: 3258
|
19% |
 Kraken(Desktop, Console and Mobile versions)Internal Item ID: 3291
|
14% |
 Paintball Gun(Desktop, Console and Mobile versions)Internal Item ID: 3350
|
11% |
 Terrarian(Desktop, Console and Mobile versions)Internal Item ID: 3389
|
14% |
 Sky Fracture(Desktop, Console and Mobile versions)Internal Item ID: 3787
|
24% |
 Aerial Bane(Desktop, Console and Mobile versions)Internal Item ID: 3859
|
7% |
 Stellar Tune(Desktop, Console and Mobile versions)Internal Item ID: 4715
|
24% |
 First Fractal(Desktop, Console and Mobile versions)Internal Item ID: 4722
|
14% |
 Starlight(Desktop, Console and Mobile versions)Internal Item ID: 4923
|
14% |
 Zenith(Desktop, Console and Mobile versions)Internal Item ID: 4956
|
14% |
 Lucy the Axe(Desktop, Console and Mobile versions)Internal Item ID: 5095
|
14% |
 Wand of Frosting(Desktop, Console and Mobile versions)Internal Item ID: 5147
|
14% |
Boost gear
Melee
| Item | Critical Chance |
|---|---|
 Moon Charm |
+2% (during night) |
 Ale |
+2% |
 Molten Helmet |
+7% (Desktop, Console and Mobile versions) |
 Mythril Helmet |
+8% (Desktop, Console and Mobile versions) / 5% (Old-gen console and 3DS versions) |
 Mythril armor (Set Bonus) |
+10% (Desktop, Console and Mobile versions) / 5% (Old-gen console and 3DS versions) |
 Adamantite Helmet |
+7% |
 Titanium Mask |
+9% (Desktop, Console and Mobile versions) / 8% (Old-gen console and 3DS versions) |
 Frost Breastplate |
+11% |
 Hallowed Mask |
+10% |
 Squire's Greaves(Desktop, Console and Mobile versions) |
+15% |
 Monk's Pants(Desktop, Console and Mobile versions) |
+15% |
 Chlorophyte Mask |
+6% |
 Turtle Scale Mail |
+8% |
 Turtle Leggings |
+4% |
 Beetle Scale Mail |
+8% |
 Beetle Shell |
+5% |
 Valhalla Knight's Greaves(Desktop, Console and Mobile versions) |
+20% |
 Shinobi Infiltrator's Torso(Desktop, Console and Mobile versions) |
+5% |
 Shinobi Infiltrator's Pants(Desktop, Console and Mobile versions) |
+20% |
 Solar Flare Helmet(Desktop, Console and Mobile versions) |
+26% |
 Dragon Mask(Old-gen console and 3DS versions) |
+10% |
 Dragon Breastplate(Old-gen console and 3DS versions) |
+5% |
Ranged
| Item | Critical Chance |
|---|---|
 Fossil Helmet(Desktop, Console and Mobile versions) |
+4% |
 Fossil Greaves(Desktop, Console and Mobile versions) |
+4% |
 Necro armor (Set Bonus) |
+10% (Desktop, Console and Mobile versions) |
 Cobalt Mask |
+10% (Desktop, Console and Mobile versions) / 6% (Old-gen console and 3DS versions) |
 Palladium Helmet |
+9% |
 Mythril Hat |
+7% |
 Orichalcum Helmet |
+15% |
 Adamantite Mask |
+10% (Desktop, Console and Mobile versions) / 8% (Old-gen console and 3DS versions) |
 Titanium Helmet |
+7% |
| Frost Breastplate |
+11% |
 Hallowed Helmet |
+8% |
 Huntress's Wig(Desktop, Console and Mobile versions) |
+10% |
| Shroomite Headpiece (All helmets) | +5% |
 Shroomite Breastplate |
+13% |
 Shroomite Leggings |
+7% |
| Cloak from Shroomite armor | Up to +10% |
 Red Riding Hood(Desktop, Console and Mobile versions) |
+10% |
 Red Riding Leggings(Desktop, Console and Mobile versions) |
+10% |
 Vortex Helmet(Desktop, Console and Mobile versions) |
+7% |
 Vortex Breastplate(Desktop, Console and Mobile versions) |
+12% |
 Vortex Leggings(Desktop, Console and Mobile versions) |
+8% |
| Cloak from Vortex armor | Up to +20% |
 Sniper Scope |
+10% |
 Recon Scope(Desktop, Console and Mobile versions) |
+10% |
 Titan Helmet(Old-gen console and 3DS versions) |
+10% |
 Titan Mail(Old-gen console and 3DS versions) |
+10% |
Magic
| Item | Critical Chance |
|---|---|
 Crystal Ball |
+2% |
 Mystic Robe(Desktop, Console, Old-gen console and Mobile versions) |
+6% |
 Magic Hat(Desktop, Console, Old-gen console and Mobile versions) |
+6% (Desktop, Console and Mobile versions) / 7% (Old-gen console version) |
 Wizard Hat with a Robe |
+10% |
 Jungle Hat |
+6% (Desktop, Console and Mobile versions) / 3% (Old-gen console and 3DS versions) |
 Jungle Shirt |
+3% (Old-gen console and 3DS versions) |
 Jungle Pants |
+6% (Desktop, Console and Mobile versions) / 3% (Old-gen console and 3DS versions) |
 Cobalt Hat |
+9% |
 Palladium Headgear |
+9% (Desktop, Console and Mobile versions) / 7% (Old-gen console and 3DS versions) |
 Orichalcum Headgear |
+18% |
 Adamantite Headgear |
+12% (Desktop, Console and Mobile versions) / 11% (Old-gen console and 3DS versions) |
 Titanium Headgear |
+7% |
 Hallowed Headgear |
+12% |
 Apprentice's Trousers(Desktop, Console and Mobile versions) |
+20% |
 Spectre Mask(Desktop, Console, Old-gen console and Mobile versions) |
+10% (Desktop, Console and Mobile versions) / 5% (Old-gen console version) |
 Spectre Robe |
+7% |
 Dark Artist's Leggings(Desktop, Console and Mobile versions) |
+25% |
 Nebula Breastplate(Desktop, Console and Mobile versions) |
+9% |
 Spectral Headgear(Old-gen console and 3DS versions) |
+15% |
 Spectral Armor(Old-gen console and 3DS versions) |
+10% |
All
| Item | Critical Chance |
|---|---|
 Well Fed |
+2% |
 Plenty Satisfied(Desktop, Console and Mobile versions) |
+3% |
 Exquisitely Stuffed(Desktop, Console and Mobile versions) |
+4% |
 Brain of Confusion(Desktop, Console and Mobile versions)(Cerebral Mindtrick) |
+10% |
 Rage Potion |
+10% |
 Gi(Desktop, Console, Old-gen console and Mobile versions) |
+5% |
 Ninja Hood |
+3% (Desktop, Console and Mobile versions) |
 Ninja Shirt |
+3% (Desktop, Console and Mobile versions) |
 Ninja Pants |
+3% (Desktop, Console and Mobile versions) |
 Shadow Helmet |
+5% (Desktop, Console and Mobile versions) |
 Shadow Scalemail |
+5% (Desktop, Console and Mobile versions) |
 Shadow Greaves |
+5% (Desktop, Console and Mobile versions) |
 Cobalt Breastplate |
+5% (Desktop, Console and Mobile versions) / 3% (Old-gen console and 3DS versions) |
 Palladium Breastplate |
+2% |
 Palladium Leggings |
+1% |
 Mythril Greaves |
+10% (Desktop, Console and Mobile versions) / 3% (Old-gen console and 3DS versions) |
 Orichalcum Breastplate |
+6% |
 Adamantite Leggings |
+7% (Desktop, Console and Mobile versions) / 4% (Old-gen console and 3DS versions) |
 Titanium Breastplate |
+3% |
 Titanium Leggings |
+3% |
 Crystal Assassin Hood(Desktop, Console and Mobile versions) |
+5% |
 Crystal Assassin armor(Desktop, Console and Mobile versions) (Set Bonus) |
+10% |
 Hallowed Plate Mail |
+7% |
 Chlorophyte Plate Mail |
+7% |
 Chlorophyte Greaves |
+8% |
| Precise or Lucky modifier on accessories | +2% or +4% |
 Destroyer Emblem |
+8% |
 Eye of the Golem |
+10% |
 Putrid Scent(Desktop, Console and Mobile versions) |
+5% |
 Celestial Stone |
+2% |
 Celestial Shell(Desktop, Console and Mobile versions) |
+2% |
 Sun Stone |
+2% |
 Moon Stone |
+2% |
| Reforged weapons | Max +5% |
Notes
- Damage is doubled after being reduced by defense.
- When held, weapon modifiers affect all outgoing critical hits from that class's projectiles. Weapon modifiers will cease affecting critical chance when not selected.
- While ammo might seem to be affected by crit bonuses, crit chance actually entirely depends on weapon stats.
- It is generally best to attempt to equalize total accessory crit chance bonus and total accessory damage bonus, as this will maximize the overall DPS.
Maximizing critical hits
- (Desktop, Console and Mobile versions) Melee
- Maximum critical strike chance is 167%, attained by combining the following:
- Solar Flare Helmet
- Frost Breastplate
- Valhalla Knight's Greaves
Obsidian Swordfish(Godly/Demonic/Zealous)- Eye of the Golem(Lucky)
- Destroyer Emblem(Lucky)
- Putrid Scent(Lucky)
- Celestial Shell(Lucky)
- Brain of Confusion(Lucky, with Cerebral Mindtrick active)
- Rage Potion
- Exquisitely Stuffed
- Ale
- Any accessory with the Lucky modifier can be equipped in the remaining 2 accessory slots.
- Although the
Psycho Knife will increase critical strike chance by 30% at its stealth mode, it will set critical strike chance to 100% if actual critical strike chance is higher than 100%.
- (Old-gen console and 3DS versions) Melee
- Maximum critical chance is 121%, attained by combining the following:
- Dragon Mask
- Frost Breastplate
- Chlorophyte Greaves
- Obsidian Swordfish(Godly/Demonic/Zealous)
- Eye of the Golem(Lucky)
- Destroyer Emblem(Lucky)
- Celestial Stone(Lucky)
- Moon Stone(Lucky)
- Moon Charm(Lucky)
- Rage Potion
- Well Fed
- Ale
- Dragon Mask can be swapped with Hallowed Mask.
- As critical chance caps at 100%, minor bonus items like
Celestial Stone (-2), 
Moon Stone (-2), 
Moon Charm (-2) can be swapped, or switch the Breastplate to 
Chlorophyte armor (-8) and still have 100% chance.
- (Desktop, Console and Mobile versions) Ranged
- Maximum critical strike chance is 178%, attained by combining the following:
Vortex armor(with activated set bonus)- Sniper Rifle(Unreal/Godly/Demonic/Zealous)
- Eye of the Golem(Lucky)
- Sniper Scope(Lucky)
- Recon Scope(Lucky)
- Destroyer Emblem(Lucky)
- Putrid Scent(Lucky)
- Celestial Stone(Lucky)
- Brain of Confusion(Lucky, with Cerebral Mindtrick active)
- Rage Potion
- Exquisitely Stuffed
- (Old-gen console and 3DS versions) Ranged
- Maximum critical strike chance is 124%, attained by combining the following:
- Orichalcum Helmet
- Shroomite Breastplate
- Chlorophyte Greaves
- Sniper Rifle(Unreal)
- Eye of the Golem(Lucky)
- Sniper Scope(Lucky)
- Destroyer Emblem(Lucky)
- Celestial Stone(Lucky)
- Moon Stone(Lucky)
- Rage Potion
- Well Fed
- As this chance caps at 100%, minor bonus items like Celestial Stone (-2) or Moon Stone (-2) can be swapped, and switch the armor to full Shroomite armor (-10) and still have 100% chance. It is even possible to use a different weapon (-15) as the stealth effect from the Shroomite armor will add an extra 10% back when necessary.
- (Desktop, Console and Mobile versions) Magic
- Maximum critical strike chance is 160%, attained by combining the following:
- Orichalcum Headgear
- Nebula Breastplate
- Dark Artist's Leggings
- Sky Fracture(Mythical/Godly/Demonic/Zealous)
- Staff of Earth(Mythical/Godly/Demonic/Zealous)
- Stellar Tune(Demonic/Zealous)
- Eye of the Golem(Lucky)
- Destroyer Emblem(Lucky)
- Putrid Scent(Lucky)
- Celestial Stone(Lucky)
- Brain of Confusion(Lucky, with Cerebral Mindtrick active)
- Rage Potion
- Exquisitely Stuffed
- Crystal Ball
- Any accessory with the Lucky modifier can be equipped in the remaining 2 accessory slots.
- Any of these weapons can be used: Sky Fracture, Staff of Earth, or Stellar Tune.
- (Old-gen console and 3DS versions) Magic
- Maximum critical strike chance is 94%, attained by combining the following with any Mythical weapon and any Lucky accessory:
- Spectre Robe can be swapped with Hallowed Plate Mail or Chlorophyte Plate Mail.
History
- Desktop 1.2.1.2: Critical Strike increase on accessory reforges have been doubled. Example: The Lucky Reforge was boosted from 2% to 4%.
- Desktop 1.0.6: Introduced.
- Switch 1.0.711.6: Introduced.
- Console-Release: Introduced.
- Mobile-Release: Introduced.
- 3DS-Release: Introduced.