Overview
Skeletron is a boss in Terraria, rendered as a composite of 3 NPC segments. This guide pulls together the official spawn rules, drop table, and progression context so you can decide when to attempt the fight and what to bring.
How to summon
Talk to the Old Man at the Dungeon entrance after dusk.
Notable drops
- Skeletron Trophy (1 in 10)
Fight composition
Skeletron is composed of 3 pieces (Skeletron, Skeletron, Skeletron). Plan your weapon choice around hitting all parts — piercing weapons or wide AoE tend to outperform single-target damage.