Mechanical Skull

Mechanical Skull

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Statistics

Type	Boss summonCrafting material
Consumable	✔️
Use time	45 (Very slow)
Tooltip	Summons Skeletron Prime
Rarity	03*
Research	3 required

Sounds

Use

• Internal Item ID: 557

Not to be confused with Robotic Skull, the Master Mode pet for Skeletron Prime.

The Mechanical Skull is a boss-summoning item used to summon Skeletron Prime, a Hardmode version of Skeletron. It can only be used at night, which means consuming this item during day will not spawn Skeletron Prime. It is also unusable when the boss is already present. It can be used in any world, but usually only becomes accessible in a Hardmode World. If Skeletron Prime has 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 Skull	Bone30 Any Iron Bar5 Soul of Light3 Soul of Night3	Mythril Anvil or Orichalcum Anvil

Used in

Result	Ingredients	Crafting station
Ocram's Razor	Mechanical Eye Mechanical Skull Mechanical Worm	Mythril Anvil or Orichalcum Anvil
Suspicious Looking Skull	Mechanical Skull Mechanical Eye2 Adamantite Bar or Titanium Bar10 Soul of Night5 Soul of Light5

Notes

• The Mechanical Skull's texture is based on the Skull Lantern furniture item.

Achievement

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

Obtain any boss-summoning item.

Category: Collector

Trivia

• The Skull Lantern and Mechanical Skull are very similar in appearance to the skull in the original sprite for Skeletons: .
• Like the Mechanical Worm, it looks like a wind-up toy.

See also

• Mechanical Worm and Mechanical Eye, The Destroyer and The Twins summon items respectively.
• Suspicious Looking Skull, Ocram's summon item of similar appearance to the Mechanical Skull.
• Ocram's Razor, Mechdusa's summon item.

History

 PC version

• Desktop 1.3.1: Sprite updated. Old sprite was:

• Desktop 1.2.1: Drop chance reduced from 0.1*1/1000 (0.1%) to 0.04*1/2500 (0.04%).

• Desktop 1.2:
  • Now a Hardmode drop.
  • No longer need Copper Bars to be crafted.
  • Souls of Night and Light needed reduced from 5 to 3.

• Desktop 1.1: Introduced.

 Console version

• Console 1.0.933.1: Sprite updated to match Desktop 1.3.1. ( )

• Console 1.0.750.0: Sprite updated to match Desktop 1.3.1. ( )

• Console 1.02: Now a Hardmode drop with the droprate of Desktop 1.2.1. Recipe changed to match Desktop 1.2.

• Console-Release: Introduced.

 Mobile version

• Mobile 1.2.6508: Now a Hardmode drop with the droprate of Desktop 1.2.1. Recipe changed to match Desktop 1.2.

• Mobile-Release: Introduced.

Nintendo 3DS  version

• 3DS-Release: Introduced with mechanics from Desktop 1.2.1^Verify.