Yag Zhu

Aergyptian Gods created Yag Zhu and Dag Zhu , but realized their mistake and trapped the pair inside Upside Down Pyramid prisons.
Freed by adventurers on accident.
Summoned all the dead on the NeoCap and completed a near-flawless Undead Invasion
Thought destroyed at Castle Yag Zhu Ruins , but his essence escaped into the body of another.
Adventurers trapped the Yag Zhu essence inside a metal body, inside a Ball of Holding , traveling with it until they could deliver the villain to the Aergyptian Gods