Unquenched Sword and Ice Armors

[Norfleet]

They don't. The heat and cold inflicted by Heat from Hell or Grip of Winter has no known effect on cold and heat-scale sensitive effects: They only increase fatigue for the vulnerable parties and cause the secondary effect: In fact, it's simultaneously possible to have both in effect at the same time in a bizarre contradiction: A unit can radiate both heat AND cold, resulting in an opponent who is numb and on fire!