666 CQ ( Cerelium Quantum ), Land of the dead... Mondraconus was on the mission to take a dead dragon serum while in there, he meet with his equally rival... It's himself but in undead condition, and don't underestimate it... Even it looks like a zombie dragon with only bones and half flesh, but he's strong enough than we think... An undead dragon can transform itself into a dust to lure and trap the dragon enemies, and attack them from behind,,, This is one of his special ability that always used by most undead dragons to eliminate their enemies easily... Knowing the situations, Mondraconus choose to abort the mission instead carry out the mission and endanger himself 👻