Ep. 58: Wielder of the Dragon
Ipinalabas noong Nobyembre 27, 1993
In response to Bui's increased abilities, Hiei uses the dragon of the darkness flame. Although Bui reflects the attacks back to Hiei, Hiei absorbs the flames drastically increasing his physical abilities. Bui is later defeated in the process. Hiei goes into hibernation after having drained all his spirit energy. (Source: Wikipedia)