Kai has a grin look on his face, with a beard and numerous scars across his face. He wears the standard Qin uniform along with a spiked helmet.
Kai is very quick tempered and he greatly respected Duke Hyou.
Kai is a commander in the Duke Hyou Army. During the Battle of Kankoku Pass, the Kai Unit was sent to relieve the Hi Shin Unit, to Shin's objection. Due to Shin's rudeness he was hit on the head by Kai's glaive.