I think kaku, retsu, jyaku and dorian are the only stronk kaiohs, the reason why is because yujiro's goal in the raitai tournament arc was to expose Chinese martial arts for being bs, and considering all the kaiohs except for kaku and retsu did shit then Im pretty sure they all aren't good, even Muhammed Ali Jr beat a kaioh that just proves how shit they are. He is the head of the temple in Heilong-Jiang, China and mentor of Kaioh Retsu. Kaioh Ryu (劉 海王, Ryū Kaiō; Chinese pinyin: Liú Hǎiwáng) is a fictional character from Baki the Grappler series. Ryu Kaioh has displayed to be very strict, disciplined and will not accept failure, as shown when his disciples took the test to earn the name of Kaioh believing that the next Kaioh should be strong and skillful. ' Ryu Kaioh - (烈 海王) is the head of the temple in Heilong-Jiang, China and mentor of Retsu Kaioh. At first, he denied Retsu Shaorin the title, but under the recommendation of Dorian Kaioh, he allowed Retsu the title.