The Fire Mage, also known as The Demon Mage or The Warlock, is a hostile ghost like mob encountered in the Nether Fortress.
It is like The Ice Mage, Except a few differences, Its coat has orange, yellow, and red markings instead, the only color of the coat that stays the same was the black, It has red eyes, It holds a fire staff, it also wears a belt, and It will spread and throw Fire burning magic at you, Kill these enemies first before you kill the wither skeletons.