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Mechanical Worm

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v556Mechanical Worm
Item 556
Type Item
Sub-Type Summoner
Max Stack 20
Consumable Yes
Quality Tier 3 (Orange)
Tooltip Summons Destroyer
Summons The Destroyer
Dropped By All hardmode monsters, so long as the Destroyer hasn't been defeated on that world.
Sell Value No Value
Crafted With PC:
6 Souls of Night

6 Rotten Chunks/Vertebrae
5 Iron /Lead Bars
7 Souls of Night
6 Rotten Chunks
5 Iron Bars
5 Copper Bars

Crafted At Mythril Anvil

Orichalcum Anvil

The Mechanical Worm is a consumable item that summons The Destroyer. It can only be obtained by a first-time player once Hard Mode has been activated. If it is not a first-time player, it can be used to summon The Destroyer anywhere in both pre-Hard Mode and Hard Mode worlds, but must be used at night. It is usually recommended to wait until the very beginning of night to use the Mechanical Worm, as it may take quite a length of time to defeat The Destroyer.

As of 1.2, this item has a small chance of dropping from any enemy entity in Hard Mode worlds.

Mechanical Worm Terraria HERO(02:37)


  • It can take several Mechanical Worms to summon The Destroyer. This is a confirmed glitch in both Single and Multiplayer.
  • On semi-rare occasions and when the second Mechanical Worm is used, the player can be killed (around 30,000 damage is dealt.)
  • If an attempt is made to use the Mechanical Worm (or the other mechanical summoning items) at dusk, the item will not be used (which is supposed to happen) but when that night begins the respective boss will spawn naturally. This is a way to summon the hard mode bosses without using the item.
  • On the mobile version the lights of the Destroyer are blue and the body parts are 2 millimeter splitted. (Splitted body parts is not confirmed.)

Update Info



  • Added to the game.

Items Requiring Iron
Tools Grappling Hook · Iron Axe · Iron Hammer · Iron Pickaxe
Armor Iron Helmet · Iron Chainmail · Iron Greaves
Furniture Bathtub · Chest · Cooking Pot · Lamp Post · Toilet · Barrel · Trash Can · Iron Door
Weapons Iron Bow · Iron Broadsword · Iron Shortsword · Flamethrower
Crafting Stations Iron Anvil · Sawmill
Other Iron Bar · Iron Chain · Empty Bucket · Inlet Pump Outlet Pump · Mechanical Eye · Mechanical Skull · Mechanical Worm
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