2 items: Adds 657 Critical
3 items: Adds 1096 Maximum Magicka
4 items: Adds 657 Critical
5 items: While Battle Spirit is active, critically healing yourself or an ally causes you and up to 11 other group members within 12 meters to gain 300 Damage, and 1650 Critical Resistance for 20 seconds. Each group member affected reduces the Damage by 15 and Critical Resistance by 83. This effect can occur once every 15 seconds.

Type: PvP
Location: Cyrodiil

Obtainable items:
Weapons
Light Armor
Jewels