InstantAll single-target heals also create an absorb shield of ice on their target, absorbing 85% of up to [(2 * 973 - (973 * -1 * ((MaxHealth - Health)/MaxHealth))) * 0.5] damage. The shield is larger the lower the target's health is. Lasts 1h. Counts as a Mage Armor.
Requires 2 Points Spent in Frostkeeper