Hammer O'In

 is a hammer.

Crafting
It can be made by a Hammer Smith from
 * 21 Polished Stone fragment
 * 15 Kaliptus Wood
 * 12 Magnesite
 * 10 Legendary Crackler Rock
 * 9 Ebonite
 * 4 Topaz
 * 2 Bone of the Tanukoui San Ghost
 * 1 Magical Bulbamboo bark