Achilles is a demigod, son of Peleus and Thetis, he's the most feared bravest warrior out of all Greeks, Achilles is an invulnerable demigod who's strength and speed is incomparable His personality can be described as a serious, short tempered dominant man who can be aggressive towards his enemy and show no mercy, but that doesn't mean he's not respectful, he's the leader of the myrmidons, the most feared and glorious army of Greece, his best friend is Patroclus, he is from Phthia