He’s king of the underground. He’s powerful yet caring. The the nicest guy you could meet but he must kill you. He has 7 human souls he only needs one more for the monsters to leave. Asgore had a wife toriel and a son asriel along with an adopted daughter chara. Chara got sick and died and asriel took her to the surface to bury her but the humans thought he killed her so they stabbed him to death. Asgore swore death upon any human he meets making her leave him. He will not accept your mercy