ArmorSet bonus
(2 items) Adds 129 Magicka Recovery
(3 items) Adds 129 Weapon and Spell Damage
(4 items) Adds 1096 Maximum Magicka
(5 items) When you complete a fully-charged Heavy Attack, you gain an additional 506 Magicka Recovery for 10 seconds.
Black Gem Monstrosity LEVEL 50 - CP 160
ESO-Hub.com
TypeMonster Set
ArmorSet bonus
(1 item) Adds 1487 Offensive Penetration
(2 items) While in combat, casting a Soul Magic ability consumes a Soul Gem and gives you a Black Gemsplitter for 10 seconds. This effect can occur once every 6 seconds. Dealing Light or Heavy Attack damage fires the Black Gemsplitter at your target, dealing 17.1% of your target's Max Health as Magic Damage, up to 17100 Magic Damage.
Scathing Mage LEVEL 50 - CP 160
ESO-Hub.com
TypeDungeon
ArmorSet bonus
(2 items) Adds 1096 Maximum Magicka
(3 items) Adds 657 Critical Chance
(4 items) Adds 657 Critical Chance
(5 items) When you deal direct damage, you have a 20% chance to increase your Weapon and Spell Damage by 516 for 5 seconds. This effect can occur once every 5 seconds.