The flames are caused by methane gas emerging from the ground and meeting the atmosphere ... king Iobates tasked Bellerophon (best known for riding the winged horse Pegasus) to kill Chimaera.

Originally, Pegasus was the child of Poseidon and Medusa, and employed by Zeus. Captured by the Greek hero Bellerophon, to defeat the monster Chimera, they then worked together and Pegasus and ...