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 Block Flame, Frost, Shock, or Magic Damage, you restore 805 Magicka. This effect can occur once every 1 second.
Destructive Mage LEVEL 50 - CP 160
ESO-Hub.com
TypeTrial
ArmorSet bonus
(2 items) Adds 129 Weapon and Spell Damage
(3 items) Adds 657 Critical Chance
(4 items) Adds 129 Weapon and Spell Damage
(5 items) When you deal damage with a fully-charged Heavy Attack, you mark the enemy with unstable energies for 10 seconds. If your mark was already active before applying, it instead detonates, dealing 1072 Magic Damage all enemies within 8 meters. This effect can occur once every 3 seconds and scales off the higher of your Weapon or Spell Damage.
Spider Cultist Cowl LEVEL 50 - CP 160
ESO-Hub.com
TypeDungeon
ArmorSet bonus
(2 items) Adds 657 Critical Chance
(3 items) Adds 1096 Maximum Magicka
(4 items) Adds 129 Weapon and Spell Damage
(5 items) Adds 600 Weapon and Spell Damage to your Destruction Staff abilities.