Solfatara Ulna

 is a Bone.

Obtaining

 * Dropped by
 * Solfatara

Uses

 * Used in the craft of
 * Obsidemon Boots
 * Obsidemon Ring
 * Obsidemon Cloak
 * The Maidartes
 * Sandals Bino
 * Postapocalypte Hat
 * Pants Fordamemory
 * Boy's Own Chain
 * Pope Ory Hat
 * Unchewa Staff
 * Arctangent Bow
 * Sternutatory Wand
 * Walloping Hammer