Chain Knife

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Chain Knife
  • Chain Knife item spriteold Chain Knife item sprite
Stack digit 1.png
Damage12 (Desktop, Console and Mobile versions) /
11 (Old-gen console and 3DS versions) (Melee)
Knockback3.5 (Weak)
Critical chance4%
Use time20 (Very fast)
RarityRarity level: 1
Sell25 SC
Research1 required
Projectile created
  • Chain Knife
    Chain Knife
Obtained from Obtained from
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
Cave BatCave Bat.gifCave Bat10.4%
The Chain Knife attacking a Target Dummy. Note how the Knife immediately returns when hitting a block.

The Chain Knife is a pre-Hardmode flail that throws a knife-like projectile attached to a chain. It only extends a short distance of 12 tiles, though its quick use time and velocity may make it a good early to mid-game weapon. It has a 1/250 (0.4%) chance of being dropped by a Cave Bat.

Its best modifier is Godly or Demonic. Both modifiers increase the average damage output by the same amount.


  • In don't dig up(Desktop, Console and Mobile versions) and Get fixed boi(Desktop, Console and Mobile versions) seeds, the Chain Knife receives the following changes:
    • Switched place with KO Cannon. As a result, it is dropped by Clowns instead of Cave Bats.
    • Damage increased from 12 to 60.
    • Use time decreased from 20 to 15.
    • Value increased from 1 GC25 SC to 17 GC50 SC.


  • It is good at killing quick flying enemies. It is also good at killing large groups of Wall Creepers, and keeping the second form of the Brain of Cthulhu at bay.
  • A Bat Statue can be used to easily farm bats to obtain the Chain Knife. Note that drop rates from statue enemies are reduced by a factor of 5.
    • If the player finds a Bat Statue Underground before defeating Skeletron, they can put in onto a Wire (in between a trap and its Pressure Plate) and step on the Pressure Plate to make a crude way of spawning more Cave Bats.
  • Although the weapon attacks quite quickly, it is very difficult to stunlock enemies with it due to its low knockback.


  • The weapon is very likely a reference to the Rope Dart, a weapon famously utilized by Scorpion in the Mortal Kombat series.

See also


  • Desktop
    • Damage increased from 11 to 12.
    • Item and projectile sprites updated.