"A Distant Day's Promise" (遠い日の約束) is the last episode of the Legend of the Legendary Heroes anime. It was originally aired in Japan on December 16, 2010
Plot Summary (contains spoilers[]
Sion is consumed by the spirit of the mad hero, as he nearly takes Ryner's life. Iluna comes out of Ryner, who has the spirit of the lonely demon within him, to prevent Sion from killing Ryner out of selfish ambition, but Lucile puts Ryner to sleep after Iluna disappears. Sion hesitates to kill Ryner when confronting the mad hero. When Ryner then finds himself in prison, Ferris helps him narrowly escape peril. Ryner vows to save his friend from the turmoil he endures on the twisted path to achieve his dream