Ryu Kishin was a heavyweight robot which competed in the first and fourth Season of Battlebots RA2. It was a fourwheeld box design with a wedge on the front. It featured a charismatic spine on it's back. Ryu Kishin won the first Battlebots RA2. In the grand finale it fought Bombshells builder Mike and won on a judges decission.
Ryu Kishin was then entered in the fourth installment of Battlebots RA2 where it won the first round but got turned over in round 2. Unable to self right it lost and was retired after that.
Ryu Kishin was later updated to the Superheavyweight Ryu Kishin Hellfire. This version won the Superheavyweight title three times in a row before beeing retired.