2 items: Adds 129 Damage
3 items: Adds 657 Critical
4 items: Adds 1096 Maximum Magicka
5 items: Whenever you deal damage, you restore 63 Magicka. This effect can occur once every 0.25 seconds.

Type: Craftable
Location: Blackreach – Western Skyrim
Requires DLC: Greymoor

Obtainable items:
Jewels
Weapons
Light Armor
Medium Armor
Heavy Armor