Name of my Soul Slayer ( Zanpaktou)

Shi-Kai (Initial Release)
"Tsukikage Kouin", Moonlight Descendant

Ban-Kai (Ban Release)
"Kami no Ketsueki : Akuma no Gessekai", Blood of the Gods : Demon of the Lunar World

Kaihou no Rei, Command of Release
"Charenji Tame Kigen, Amanohara Kara Tobikomi! Tantousha no Naru, Tsukikage Kouin!"
Rise to the Challenge, Plunge from the Heavens! Become the One, Moonlight Descendant!

Appearance
A hooded figure with total control over day and night. Appears to descend from the heavens everything it shows up.

Abilities

Shi-Kai
Tsumekuracchi Hayate : Cresent's Claw Clutch. Upon release, the user channels his Reiatsu(Spirit Power) into the zanpaktou at will, the now crescent black zanpaktou releases a vortex's whose magnitude is determined by the amount of Reiatsu the user channels to the zanpaktou. The vortex's suction renders the use of Reiatsu useless while the user remains unaffected.

Ban-Kai
Unknown(I'll stick to Shi Kai for a while.