Mechanical Eye

Mechanical Eye

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Statistics

Type	Boss summonCrafting material
Consumable	√
Use time	45 (Very slow)
Tooltip	Summons The Twins
Rarity	03*
Research	3 required

Sounds

Use

• 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; using this item during the day will not spawn The Twins or consume it. Using another Mechanical Eye while the The Twins are active will not cause any additional effects, and will not be consumed. If The Twins have not been defeated yet in a Hardmode world, all enemies have a 0.04*1/2500 (0.04%) chance of dropping this item, with the exception of statue-spawned enemies, Meteor Heads, and Old One's Army enemies.

Crafting

Recipes

Result	Ingredients	Crafting station
Mechanical Eye	Lens (3) Any Iron Bar (5) Soul of Light (6)	Mythril Anvil or Orichalcum Anvil

total: 1 row(s)

Used in

Result	Ingredients	Crafting station
Suspicious Looking Skull ()	Mechanical Skull Mechanical Eye (2) Adamantite Bar (10) Soul of Night (5) Soul of Light (5)	Mythril Anvil or Orichalcum Anvil
Suspicious Looking Skull ()	Mechanical Skull Mechanical Eye (2) Adamantite Bar or Titanium Bar (10) Soul of Night (5) Soul of Light (5)

total: 2 row(s)

Notes

• Like other mechanical boss-summoning items, the Mechanical Eye can be brought to pre-Hardmode worlds and will successfully summon The Twins there.
• As with several items, the Mechanical Eye has multiple crafting recipes (two in total) due to some items in the recipe allowing substitutes.

Achievement

Like a Boss • “Obtain a boss-summoning item.”

Obtain any boss-summoning item.

Trivia

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

See also

• Mechanical Worm, summons The Destroyer
• Mechanical Skull, summons Skeletron Prime

History

 Desktop version

• Desktop 1.3.1: Sprite updated. Old sprite was .

• Desktop 1.2.1: Drop chance now reduced from 1 in 1000 to 1 in 2500.

• Desktop 1.2: Now a Hardmode drop from enemies. Recipe changed.

• Desktop 1.1: Introduced.

 Console version

• Console-Release: Introduced.

 Switch version

• Switch 1.0.711.6: Introduced.

 Mobile version

• Mobile-Release: Introduced.

3DS version

• 3DS-Release: Introduced.