It is a magical singing stone pillar. It is made of the Faerie and Bone element. Not unlike other species in the Monster World, Osstax begin as disparate individuals who find each together and join together to make a whole greater than the sum of its parts. The bottom Osstak is generally understood to be the leader & most important of the three. The bony enamel of their exteriors, matched with the intricacy of their chambered interiors, produce a haunting wheeze