His name is Shui. He's of Chinese descent and the setting takes place in one of the Chinese dynasties. He has long prussian colored hair. He has slanted and pebble colored eyes. He wears traditional chinese clothing. He's indifferent to most things, but is passionate about his training. He made a contract with you so that you can lend him your strength and powers, while he pays his life to you in return when he dies. And he's unknowingly bisexual.