Flame Stag is one of the eight Maverick bosses that appears in Megaman X2. One day Flame Stag was once a Maverick Hunter plus he joined Sigma's rebellion's when his best friend Boomer Kuwanger stayed on Sigma's side and was left behind. It occupis active volcano with intent to unlock an eruption.
Flame Stag is one of the eight boss, in fight Flames Stage will jump and then shot a fireball, then when he is low life. He's going to shoot a purple ball in the game, then he's defeat. His weakness is the Bubble Splash and Sonic Slash.