Overlord Boss3 is a rather large zombie. He has blue granite skin and black armor, as well as armbands with blue outlines. On his chest is a glowing blue core crystal, and he has a collar and neon blue shoulder spikes. He wears a black Earl of the Federation crown and top hat, with a deep blue crystal at the middle.

There are multiple glowing blue highlights on his arm and torso armor, as well as black squares on his lower arm armor, with pastel blue outlines.