Party kara Tsuihou sareta Sono Chiyushi, Jitsu wa Saikyou ni Tsuki GoGoAnime

Two centuries have passed since a hero defeated the evil Zaryu and saved the world. In one of the many dungeon cities, Raust, a despised doctor cast out of his group for being too weak, struggles to find his place. In the midst of despair, he meets martial artist Narasena, who invites him to form a new group together. With a fresh start and new motivation, the two begin their journey to greatness.