Pandemonium

One of the Four Grand  Dukes.

He was driven to the edge. He has a nasty temper and can’t stand anyone else taking his position so he used Hash as a sacrifice in front of his dungeon. Along with the cherub blood to Self-destruction him self by summoning a Celestial Door in witch The seraphim Camael descended. Along with his 1.14 million subordinates.

He was killed by seraphim Camael in Chapter 229.