The Hero They Buried, The God Who ReturnedEpisode 17

Synopsis

Cassian seals the Abyss, but his trusted junior Lucien betrays and murders him, stealing credit and branding him a traitor. Elena, his fiancée, believes Lucien, destroys Cassian's core, and later executes his mortal self. His adopted daughter Leia also harms him. After a millennium, the Abyss Lord breaks free, revealing Cassian's true identity as the Primordial Father God. He punishes Lucien, Elena, Leia, and the Empress, then returns to Chaos.