If you are looking for a musical associated with this specific episode or the series in general, here are the most relevant tracks: Key Musical Pieces
While the episode primarily uses the series' orchestral score, the "Strength and Tenderness" OST is a fan-favorite track often noted for its perfect insertion during emotional or heroic moments in this arc. (Dub) 18 : The Legendary Hero
A new song titled "Beyond the Rainbow" (Niji no Kanata ni) by ReoNa was prominently featured around this time (specifically in episode 19) to portray the character Eugeo's feelings. Episode Context If you are looking for a musical associated