Tri Focus

Effect
Rank 1
Fully-charged Inferno Staff Heavy Attacks deal 6% additional damage. Lightning Staff Heavy Attacks damage nearby enemies for 50% of the damage done. Fully-charged Ice Staff Heavy Attacks grant you a damage shield that absorbs 2000 damage. While an Ice Staff is equipped, blocking costs Magicka instead of Stamina.
Rank 2
Fully-charged Inferno Staff Heavy Attacks deal 12% additional damage. Lightning Staff Heavy Attacks damage nearby enemies for 100% of the damage done. Fully-charged Ice Staff Heavy Attacks grants you a damage shield that absorbs 4000 damage. While an Ice Staff is equipped, blocking costs Magicka instead of Stamina.