Centaur

A Centaur is a half man half horse. The most noble centaur. Was Chiron an immortal centaur. The other centaur were duplicated. He taught Achilles and Aesculapius. Chiron was accidentally wounded by Hercules with a blood from the hydra. Hercules wanted Prothemes freed but Zeus wanted a sacrifice so Chiron sacrificed. So Chiron sacrificed himself to stop the pain.