The reason behind Bobby being a level Omega mutant is because his real power is not the Ice, According to the laws of thermodynamics, cold is defined as the absence of heat. Therefore, Iceman does not actually emanate cold, but rather absorbs and dispels heat. Since heat is energy, Iceman's power then becomes a psionic ability to manipulate energy.He is able to temporarily add the mass of a body of water to his own to increase his mass, size and physical power. His strength and durability in his ice-form are enhanced beyond normal human levels. He can survive not only as sentient ice but as sentient water and vapor. He has the capacity to manipulate all forms of moisture. Writers have implied that Iceman's lack of personal initiative has prevented him from discovering the deeper facets of his abilities and has led him instead to focus only on what might be the easiest manifestation of his abilities, the creation of ice. Pyro does not stand a chance against Iceman, when he is in Ice Form, his body is at -105 Farenheit, he absorbs and dispeles pyros flames within a thent of a second so technically, when in Ice form, Pyro's flames dont touch his body, so in the movie, Bobby got to his Ice form and became inmune to heat. Sorry Pyro Lovers but Ice man can defeat Pyro any given sunday with no problem. Sunfire is way, WAY more powerful than Pyro and he couldnt defeat Bobby eaither.