Arcanist Skills -> Apocryphal Soldier
Impervious Runeward is a Skill in The Elder Scrolls Online (ESO). This Skill belongs to the Arcanist Class and is located in the Apocryphal Soldier Skill Line.
Cost: 4300 Magicka
Like the rune knights of old, summon a shield that absorbs 10000 damage for 1 second, and then 5000 damage for 5 seconds if the first shield persists. Both shields scale off your Max Health. The first time you take direct damage, the shield retaliates and deals Magic Damage to the attacker, scaling off your Armor. Consume Crux to heal yourself for 1800 Health, scaling off your Max Health, per Crux spent.
Drastically increases the size of the damage shield for the first second.