High School dxd: Rise Of The Sea Emperor (on hold)

He is not the welder of the heavenly dragon Ddraig, but the welder of the heavenly emperor god of the ocean. He is not a devil he is the leviathan, and a MMA campion that will rise to bring glory to the beast name. But he is also the lost prince of Atlantis who is the chosen one to take the trident of the king of Atlantis.

And his name is king leviathan