Master of Flame Utility 12Burning Transformation

You become a creature of pure flame.

Daily        Arcane, Fire, Polymorph
Minor Action      Personal

Effect: You transform into a creature of fire until the end of the encounter. While in this form you gain the following benefits and limitations: You are insubstantial, you can shift 1 square as a minor action, you are immune to fire, you gain a +5 power bonus to damage rolls with arcane fire attacks, and you cannot use any attack power without the fire keyword. Additionally, whenever an enemy hits you with a melee attack, it takes fire damage equal to 5 + your Intelligence modifier.

Published in Dragon Magazine 388.