Mechanical Worm

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Mechanical Worm
  • Mechanical Worm item spriteold Mechanical Worm item sprite
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
TooltipSummons The Destroyer
RarityRarity level: 3
Research3 required

The Mechanical Worm is a Hardmode boss-summoning item used to summon The Destroyer, the Hardmode version of the Eater of Worlds. It can only be used at night; attempting to use this item during the day will not spawn the Destroyer nor consume the item. The Mechanical Worm is also unusable while the Destroyer is already alive. If the Destroyer has not been defeated yet in a Hardmode world, all enemies have a 1/2500 (0.04%) chance of dropping a Mechanical Worm, with the exception of statue-spawned enemies, Meteor Heads, and Old One's Army enemies.



ResultIngredientsCrafting station
Mechanical WormMechanical WormMythril AnvilMythril Anvil
Orichalcum AnvilOrichalcum Anvil

Used in

ResultIngredientsCrafting station
Ocram's RazorOcram's Razor(Desktop, Console and Mobile versions)Mythril AnvilMythril Anvil
Orichalcum AnvilOrichalcum Anvil


  • (Desktop, Console and Mobile versions) In the get fixed boi secret world seed, the Mechanical Worm is not consumable and is instead a crafting material for the Ocram's Razor, an item used to summon Mechdusa.
  • Unlike Worm Food, a Mechanical Worm can be used outside of The Corruption. However, it requires nighttime for usage, whereas Worm Food lacks a time requirement.
  • Like other mechanical boss summoning items, the Mechanical Worm can be brought to pre-Hardmode worlds and will successfully summon The Destroyer there.
  • As with several items, the Mechanical Worm has multiple crafting recipes (four in total) due to some items in the recipe allowing substitutes.


Achievement Like a Boss.png
Like a Boss • Obtain a boss-summoning item.
Obtain any boss-summoning item. (Desktop, Console and Mobile versions)


  • Like the Mechanical Skull, it looks like a wind-up toy.
  • There used to be a minor grammatical error in the item's tooltip: It previously said "Summons Destroyer" instead of "Summons The Destroyer". In the Nintendo 3DSNintendo 3DS version version, this mistake was never present.

See also


  • Desktop 1.2.1: Drop chance decreased from 1 in 1000 (0.1%) to 1 in 2500 (0.04%).
  • Desktop 1.2:
    • Now also drops randomly from any enemy in Hardmode.
    • No longer requires copper, and requires one fewer Soul of Night.