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Mechanical Eye

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Mechanical Eye
Stack digit 2.pngStack digit 0.png
Mechanical Eye.png Mechanical Eye (old).png
Statistics
Type Summoning
Use time 44 (Very Slow)
Tooltip Summons The Twins
Rarity Rarity Level: 3
Internal Item ID: 544

The Mechanical Eye is used to summon The Twins, the advanced and Hardmode version of the Eye of Cthulhu. It can only be used at night, which means consuming this item during day will not spawn The Twins. Using another Mechanical Eye while the previous Twins are active will not consume the Mechanical Eye, and a new pair of Twins will not be summoned. It can also be used in a world without Hardmode enabled. If you have not defeated The Twins before dawn, they will flee and the player will not be able to finish defeating them.

If you have not defeated The Twins yet and are already in Hardmode, all enemies (with the exception of statue-spawned enemies and Meteor Heads) have a 1/2500 chance of dropping this item.

Crafting[edit | edit source]

Recipe[edit | edit source]

Crafting Station
Mythril Anvil.png Mythril Anvil /
Orichalcum Anvil.png Orichalcum Anvil
Ingredient(s) Amount
Lens.png Lens 3
Soul of Light.png Soul of Light 6
Iron Bar.png Iron Bar 5
Result
Mechanical Eye.png Mechanical Eye 1
Crafting Station
Mythril Anvil.png Mythril Anvil /
Orichalcum Anvil.png Orichalcum Anvil
Ingredient(s) Amount
Lens.png Lens 3
Soul of Light.png Soul of Light 6
Lead Bar.png Lead Bar 5
Result
Mechanical Eye.png Mechanical Eye 1

Used in[edit | edit source]

Console only.png Mobile only.png 3DS logo.svg Console/Mobile/3DS-Only Content: This information applies only to the consolemobile, and 3DS versions of Terraria.
Result IngredientsCrafting Station
Suspicious Looking Skull.png Mechanical Skull.pngMechanical Skull Mythril Anvil.png Mythril Anvil /
Orichalcum Anvil.png Orichalcum Anvil
Mechanical Eye.pngMechanical Eye (2)
Soul of Light.pngSoul of Light (5)
Soul of Night.pngSoul of Night (5)
Adamantite Bar.png Titanium Bar.pngAdamantite Bar or Titanium Bar (10)

Achievement[edit | edit source]

Achievement Like a Boss.png Like a Boss"Obtain a boss-summoning item."
Obtain any boss-summoning item. Desktop only.png

Trivia[edit | edit source]

  • The Mechanical Eye is the only mechanical item with no visible winder.

See Also[edit | edit source]

History[edit | edit source]

  • 1.3.1: Sprite updated. Old sprite was Mechanical Eye (old).png.
  • 1.2.1: Drop chance now reduced from 1 in 1000 to 1 in 2500.
  • 1.1: Introduced.


Iron and Lead
 
Iron: Iron Ore.png Ore • Iron Bar.png Bar • Iron Crate.png Crate • Iron Fence.png Fence • Iron Anvil.png Anvil • Iron Door.png Door • Iron Pickaxe.png Pickaxe • Iron Axe.png Axe • Iron Hammer.png Hammer • Iron Shortsword.png Shortsword • Iron Broadsword.png Broadsword • Iron Bow.png Bow • Iron armor.png Armor (Ancient Iron Helmet.png Ancient Helmet)

Lead: Lead Ore.png Ore • Lead Bar.png Bar • Lead Fence.png Fence • Lead Anvil.png Anvil • Lead Door.png Door • Lead Pickaxe.png Pickaxe • Lead Axe.png Axe • Lead Hammer.png Hammer • Lead Shortsword.png Shortsword • Lead Broadsword.png Broadsword • Lead Bow.png Bow • Lead armor.png Armor

Chain.png Chain • Minecart Track.png Minecart Track • Outlet Pump.png Pump • Sawmill.png Sawmill • Heavy Work Bench.png Heavy Work Bench Desktop only.pngConsole only.pngMobile only.png • Cooking Pot.png Cooking Pot (Cauldron.png Cauldron) • Chest.png Chest • Barrel.png Barrel • Trash Can.png Trash Can • Toilet.png Toilet • Bathtub.png Bathtub • Grandfather Clock.png Grandfather Clock

Lamp Post.png Lamp Post • Rack.png Rack Desktop only.pngConsole only.pngMobile only.png • Empty Bucket.png Bucket • Reinforced Fishing Pole.png Reinforced Fishing Pole • Flamethrower.png Flamethrower • Ironskin Potion.png Ironskin Potion

Mechanical Eye.png Mechanical Eye • Mechanical Worm.png Mechanical Worm • Mechanical Skull.png Mechanical Skull
Consumables: Healing Potion.png Potions ( Inferno Potion.png Buff Potions) • Shuriken.png Thrown Weapons

High Velocity Bullet.png Ammunition • Jungle Grass Seeds.png Seeds • Fallen Star.png Materials ( Feather.png Drops • Copper Ore.png Ores • Iron Bar.png Bars) • Silver Coin.png Other