Magma Fist

Draw forth magma from below to hurl at an enemy, dealing 2399 Flame Damage while applying a stack of Heat Shock, which increases the enemy's damage taken by 66 for 7 seconds per stack, up to 3 times. Hitting an enemy at max stacks of Heat Shock with this ability increases the damage done of the next cast of this ability within 6 seconds by 66%, up to once every 6 seconds.