Annulment

Annulment is an Armor ability, found in the Light Armor Skill Line.

Annulment
4590 Target: Self
REQUIRES 5 PIECES OF LIGHT ARMOR EQUIPPED Convert a portion of your Magicka into a protective ward, gaining a damage shield that absorbs 3718 damage for 6 seconds. Damage shield strength capped at 50% of your Maximum Health.

Annulment is a Light Armor base skill. Its two morphs are Dampen Magic and Harness Magicka.