Kouen Ren

Kouen Ren

練紅炎
He is the first prince of Kou Empire. He's the General Commander of the Kou Empire's Western Subjugation Army together with his brothers, Koumei Ren and Kouha Ren. Kouen is a Dungeon Capturer, capturing three Dungeons, and one of Judal's King Candidates.

(Source: Wikipedia)