Terra Codex
// the open codex of terraria
// Bosses · skeletron-prime

Skeletron Prime

skeletron-prime

How to summon

spawn rules

Mechanical Skull at night (Hardmode).

  • timeNight
  • eraHardmode

Composite Breakdown · 5 layers

each fragment is its own NPC →
Skeletron Prime
Skeletron Prime
NPC #127 · Δ0,0
head
Prime Cannon
Prime Cannon
NPC #128 · Δ-120,40
Prime Cannon (alignment may need tweaking)
Prime Saw
Prime Saw
NPC #129 · Δ120,40
Prime Saw
Prime Vice
Prime Vice
NPC #130 · Δ-90,100
Prime Vice
Prime Laser
Prime Laser
NPC #131 · Δ90,100
Prime Laser

Frequently asked

common questions
How do you summon Skeletron Prime? +

Mechanical Skull at night (Hardmode).

Nearby in the Codex

browse all →
King Slime
King Slime
Eye of Cthulhu
Eye of Cthulhu
Eater of Worlds
Eater of Worlds
Brain of Cthulhu
Brain of Cthulhu
Queen Bee
Queen Bee
Skeletron
Skeletron
◀ the-destroyer all bosses plantera ▶