The Black Cauldron (Object)

The Black Cauldron is the title object of The Black Cauldron. The Horned King seeks it in order to become immortal and to dominate the world. Fueled by the spirit of the dark lord Arawn, the Black Cauldron was nigh-indestructable.

Powers
With the Black Cauldron, the Horned King was able to call up the monstrous undead army of the Cauldron Born. With these forces, he could conquer all of Prydain. However, all of the Black Cauldron's evil powers could be undone if a soul willingly climbed into the cauldron at the cost of their own life, which Gurgi chooses to do to save his friends. The Black Cauldron was held in Morva for centuries until Taran and his friends sought it out to try and destroy it.