Voidcaller

2 items: Adds 1206 Maximum Health
3 items: Adds 1096 Maximum Magicka
4 items: Adds 129 Damage
5 items: When you take damage, your Damage is increased by 24 for 5 seconds, stacking up to 20 times. This effect can occur once every half second. Upon reaching 20 stacks, the duration is doubled but can no longer be refreshed.

Type: Overland
Location: The Reach
Requires DLC: Markarth

Obtainable items:
Jewels
Weapons
Light Armor