2 items: Adds 1096 Maximum Magicka
3 items: Adds 129 Magicka Recovery
4 items: Adds 129 Damage
5 items: When you take damage while below 25% Health, gain a damage shield that absorbs 25000 damage for 10 seconds and deals 1006 Flame damage to nearby enemies. This effect can occur once every 1 minute and the damage scales off the higher of your Weapon or Spell Damage.

Type: PvP
Location: Imperial Sewers
Requires DLC: Imperial City

Obtainable items:
Jewels
Weapons
Light Armor