Mizu-ō was created by me, Generalzer0. You many not edit it without my explicit permission, unless you are fixing a grammar or punctuation mistake.
Aith's katana anime
Wreak havoc upon the raging seas, Mizu-ō!!

Aith Tantler

Mizu-ō (水王, Water King) is a demon-slaying sword that is wielded by Aith Tantler. Aith had defeated the former King of Water and sealed his demonic waters into the blade. Mizu-ō is capable of pouring out limitless amount of water. Aith can freely control the water at will. The water pressure and density is also under control of Aith.