ArmorSet bonus
(2 items) Adds 1096 Maximum Magicka
(3 items) Adds 129 Magicka Recovery
(4 items) Adds 129 Weapon and Spell Damage
(5 items) When you deal Frost Damage, you summon an ice pillar that deals 1071 Frost damage to all enemies in a 3 meter radius. The ice pillar persists for 2 seconds and reduces the Movement Speed of all enemies within the radius by 50%. This effect can occur once every 6 seconds and the damage scales off the higher of your Weapon or Spell Damage.
ArmorSet bonus
(2 items) Adds 1487 Offensive Penetration
(3 items) Adds 1487 Offensive Penetration
(4 items) Adds 657 Critical Chance
(5 items) When you deal damage with a Heavy Attack, create a 12 meter area for 12 seconds that grants Empower to group members inside, increasing the damage of their Heavy Attacks against monsters by 70%. This effect can occur once every 8 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.
ArmorSet bonus
(1 item) Adds 129 Weapon and Spell Damage
(2 items) Dealing damage with a fully-charged Heavy Attack throws an axe at the enemy, dealing 1572 Physical damage and reducing their Armor by 400 for 5 seconds. This effect can occur once every 10 seconds and scales off the higher of your Weapon or Spell Damage.
The axe drops to the ground after traveling to your target for 5 seconds. Touching the axe reduces the cooldown of this set by 5 seconds.