Haō Taikei Ryū Knight(覇王大系リューナイトHaō Taikei Ryū Naito, lit. "Lord of Lords Ryu Knight") is a manga series written and illustrated by Takehiko Itō. It was originally serialized monthly in the Shueisha magazine V-Jump starting in 1993. A 52-episode anime television adaptation of the series was produced by Sunrise, directed by Toshifumi Kawase, and aired in Japan from April 5, 1994, to March 28, 1995. Due to its success, the series gained three original video animation (OVA) series.