Spirit Bone

The Spirit Bone is an item introduced in the Catacombs F4 Update. It is found in Dungeon Loot Chests. Currently, it can only be used to craft a Bonemerang.

It costs to open from an Obsidian Chest and  from an Emerald Chest. The drop chance is estimated to be about 1% in both the Obsidian Chest and the Emerald Chest, the chance being 2% overall but usually it mostly takes people an estimated 20 runs to get a spirit bone.

Usage

 * Requirements
 * 5 Spirit Bone
 * 10 Enchanted Bone Blocks
 * 15 Enchanted String

Trivia

 * This is considered a reliable source of money for people who can't do higher dungeon floors. You can get about 500k every time you drop this.