Online: Light of Cyrodiil
2 items: Adds 3-129 Spell Damage
3 items: Adds 25-1096 Maximum Magicka
4 items: Adds 25-1096 Maximum Magicka
5 items: While you are casting or channeling an ability, your damage taken is reduced by 15%. When you are interrupted, your next Magicka ability will cost no Magicka.
The set consists of light armor and jewelry in all slots, as well as weapons and shields of all types.