The armor X donned when he appeared during the Monster Hunter Rise event. While X was not informed of the armor details, the only thing he knew was "Rathalos Fire Breath" being the special attack. 
He can use his Greatsword and Buster.
He has 2 moves, Rathalos Fire Breath and True Charged Slash. 
X is also known as Mega Man X. He is a Reploid and successor to the original Mega Man. His occupation is Maverick Hunting. He was created by Dr. Light.
