Wraithguard, along with Keening and Sunder, are part of Kagrenac's Tools.

 Allows you to wield Keening and Sunder.

Provides resistance to Fire, Cold, Psychic, Poison, and Lightning, as well as immunity to Disease. +3 AC, Allows for one use of Counterspell.

Notes: Bonus: Armor Class, Immunity: Disease, Resistance: Fire, Resistance: Cold, Resistance: Lightning, Resistance: Poison, Resistance: Psychic, Buff, Combat, Wristwear, Handwear