Berial the Conqueror of the Fire Hell is the floor 90 floor boss. Do to his level 90 status, he is quite powerful and has a small capability to think on his own.
This boss has the same figure as a centaur and a fire demon. It's body is a sick black almost tar-like color. Giant tongues of fire come out from his shoulder. It has two fiery horns and two lengthy claws. It is about one and a half times bigger than the Gleam Eyes. In its hands is a long fire sword made of molten lava. Wherever it walks, the ground becomes hot and sets on fire.
This monster is too big to be able to dodge. However, it can effectively block and swipe at enemies with its sword. A single swing is extremely powerful and carry a burn effect on its foes. Its ultimate attack is dubbed as "Super Nova." He summons a flaming fireball from his back that ignites and detonates in a wide, almost roomful radius.