Kyukyoku Ougi! Hoero Kokuryuha Yu yu hakusho : Season 1 Episode 58

To defeat Bui, Hiei summons up the Dragon of the Darkness Flame once again. Though he's gained a bit more control of the technique since last time he called it forth, it's still an unpredictable beast that could take out both target and attacker, as well as anyone else in the stadium.