Legna is a black dragon that can change his color to blue or white. He was once in service to the Empire during its war with the Union. He is the pact partner of Inuart and when Inuart passed Legna became the caretaker of Inuart's son Nowe.
He served as the boy's father figure and lived with him at the headquarters of the Knights of the Seal. Nowe was like a son to him and Legna's paternal feelings often lead him to lecturing Nowe. Despite this, Legna only saw Nowe as a tool destined to be the dragon's weapon in their war against the gods. He thinks little of humans, caring only for his own race.