To access this zone you must own the Wrathstone DLC.
This Dungeon is located in Eastmarch

Sets in Frostvault

4 sets
Dungeon Level 50 - CP 160
Icy Conjurer Dungeon Armor Set Icon icon Icy Conjurer Tooltips by ESO-Hub.com
(2 items) Adds 1096 Maximum Magicka
(3 items) Adds 129 Weapon and Spell Damage
(4 items) Adds 1487 Offensive Penetration
(5 items) Applying a minor debuff to your enemy summons a non-reflectable Ice Wraith that will charge into your enemy, dealing 3070 Frost Damage over 10 seconds. This effect can occur every 10 seconds and scales off the higher of your Weapon or Spell Damage.
Dungeon Level 50 - CP 160
Mighty Glacier Dungeon Armor Set Icon icon Mighty Glacier Tooltips by ESO-Hub.com
(2 items) Adds 1096 Maximum Stamina
(3 items) Adds 1096 Maximum Magicka
(4 items) Adds 129 Stamina Recovery, Adds 129 Magicka Recovery
(5 items) When you activate a snare or immobilize ability or hit a target with a snare or immobilize ability, you and up to 11 group members gain Major Resolve for 15 seconds, increasing your Physical and Spell Resistances by 5948. This effect can occur once every 10 seconds.
Monster Set Level 50 - CP 160
Stonekeeper Monster Set Armor Set Icon icon Stonekeeper Tooltips by ESO-Hub.com
(1 item) Adds 548 Maximum Stamina, Adds 548 Maximum Magicka, Adds 603 Maximum Health
(2 items) When you Block, you gain an energy Charge stack. When you gain 6 Charges, you release the energy, restoring 2480 Stamina and Magicka, and healing for 2480. After releasing the Charges, you cannot regain new Charges for 14 seconds. Charges can be accumulated up to once every .25 seconds.
Dungeon Level 50 - CP 160
Tzogvin's Warband Dungeon Armor Set Icon icon Tzogvin's Warband Tooltips by ESO-Hub.com
(2 items) Adds 657 Critical Chance
(3 items) Adds 657 Critical Chance
(4 items) Adds 1487 Offensive Penetration
(5 items) When you deal Critical Damage, you gain a stack of Precision, increasing your Critical Chance by 177 for 5 seconds, up to 10 stacks max. At max stacks, you also gain Minor Force, increasing your Critical Damage done by 10%. This effect can occur once every half second.

Achievements in Frostvault

21 Achievements
A Variety of Vermin icon

A Variety of Vermin

Take control of each type of custom skeevaton. Custom skeevatons are available during an Extermination Protocol phase of the Stonekeeper battle after having activated the Veracity Verifier in Veteran Frostvault. You cannot be Scrap Metal or dead at the end of the phase to receive credit.
Cold Potato icon

Cold Potato

Defeat Rizzuk and Avalanche in Frostvault with each party member having been affected by Avalanche's Glacial Prison ability at least once during the fight in Veteran Frostvault.
Coldsnap Style Master icon

Coldsnap Style Master

Learn every chapter in the Coldsnap style book, occasionally found as rewards for completing the Frostvault dungeon.
Collateral Damage icon

Collateral Damage

Destroy 20 of the Vault Protector's Constructs by detonating Volatile Spheres near them in Frostvault.
Drop Testing icon

Drop Testing

Knock 20 enemies off the Stonekeeper's platform in Frostvault.
Frostvault Challenger icon

Frostvault Challenger

Complete the listed achievements for Veteran Frostvault.
Frostvault Conqueror icon

Frostvault Conqueror

Defeat Icestalker, Warlord Tzogvin, the Vault Protector, Rizzuk Bonechill, and the Stonekeeper in Veteran Frostvault.
Frostvault Vanquisher icon

Frostvault Vanquisher

Defeat Icestalker, Warlord Tzogvin, the Vault Protector, Rizzuk Bonechill, and the Stonekeeper in Frostvault.
Rat Race icon

Rat Race

Shut down the Stonekeeper's Extermination Protocol using Tharayya's skeevatons within 35 seconds of her summoning them in Frostvault. Timer begins at the start of her warning.
Relentless Raider icon

Relentless Raider

Defeat all encounters in addition to Icestalker, Warlord Tzogvin, the Vault Protector, Rizzuk Bonechill, and the Stonekeeper after using the Veracity Verifier in Veteran Frostvault within 30 minutes without suffering a group member death.
Running the Right Angles icon

Running the Right Angles

Always dodge Warlord Tzogvin's Reckless Charges in Frostvault.
Safe Keeping icon

Safe Keeping

Defeat all encounters in addition to Icestalker, Warlord Tzogvin, the Vault Protector, Rizzuk Bonechill, and the Stonekeeper in Veteran Frostvault without suffering a group member death.
Smash and Grab icon

Smash and Grab

Defeat all encounters in addition to Icestalker, Warlord Tzogvin, the Vault Protector, Rizzuk Bonechill, and the Stonekeeper within 30 minutes of entering Veteran Frostvault. Your timer starts upon entering combat.
Three Sheets to the Wind icon

Three Sheets to the Wind

Get Warlord Tzogvin to destroy all three of his banners with Raging Winds in Frostvault.
Vault Cracker icon

Vault Cracker

Defeat the Stonekeeper after pressing the Veracity Verifier in Veteran Frostvault.
Veteran Centurion Slayer icon

Veteran Centurion Slayer

Defeat 20 Centurions in Veteran Frostvault.
Veteran Riekling Slayer icon

Veteran Riekling Slayer

Defeat 200 Rieklings in Veteran Frostvault.
Wild Walloping icon

Wild Walloping

Cause Icestalker to uppercut its allies during Frenzied Pummeling in Frostvault.
Wrathstone Delver icon

Wrathstone Delver

Complete both Frostvault and Depths of Malatar in Veteran.
Wrathstone Explorer icon

Wrathstone Explorer

Enter either Frostvault or Depths of Malatar for the first time.
Wrathstone Scout icon

Wrathstone Scout

Complete both Frostvault and Depths of Malatar in Normal.