If you loved Saint Seiya: Legend of Sanctuary, try Hunter x Hunter: Phantom Rouge
A bridge between a film you've already seen and one most people haven't. Hunter x Hunter: Phantom Rouge has roughly 3.3× fewer votes than Saint Seiya: Legend of Sanctuary — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theyboth carry the playful mood tag, and they sit in Action / Animation / Fantasy territory. If that's the register that drew you to Saint Seiya: Legend of Sanctuary, the second film will land in a comparable space — through a different lens.
What Hunter x Hunter: Phantom Rouge is
You hunt down a thief, hoping for a reunion. But a child’s dark magic steals your eyes. Gon and Killua vow to help, but Killua confronts his own demons of worth. Sato’s feature debut offers a more polished take on the source material. The film lingers on the emotional weight of friendship.

