Chaos Keyblade for Chaos

Keychain Name: Chaos

Abilities: Can switch between modes of defense, magic, and attack
Strength: Varies, with attack: 10, without: 7
Magic: Varies, With Magic: 10, without: 7

Magic: Dark, Light, Ki, and Chakra

Looks like Ultima Weapon except black in attack and magic modes, http://images1.wikia.nocookie.net/__cb20080119082914/kingdomhearts/images/3/3b/KH-UltimaWeapon.jpg,
And in defense mode like Xehanorts keyblade except completely black,http://images3.wikia.nocookie.net/__cb20100703211913/kingdomhearts/images/archive/f/ff/20100903174516!Master_Xehanort%27s_Keyblade_KHBBS.png