This is another one of Typhon's children called the Nemean Lion. Its hide was impenetrable which allowed him to rule his territory with fear. Until Hercules came and slayed him as one of his chores to become a God.
Nemean Lion (Greek) - An enormous monstrous lion with a skin so tough that no weapon can penetrate it. Its thick black manes are covered in arrows and other weapons. Nemean Lions are also known as Golden Lions or Dire Lions, the best way to kill them is t