The Supreme Archmage AwakenedEpisode 3

Left soulless after saving the world, Arthur Thorne, the Supreme Archmage, is rescued by Princess Elysia and lives for years as a halfwit. But just as Elysia, his loyal wife who protected him for years, is forced into a humiliating marriage by arrogant nobles, Arthur finally awakens. Having regained his godlike mana, he summons his loyal disciples—the Dragon Queen, the Grand Magus, and the Emperor—to crush the villains and lay the world at his wife's feet!