- (2 pieces)Adds 1206 Maximum Health
- (3 pieces)Adds 4% Healing Taken
- (4 pieces)Adds 1206 Maximum Health
- (5 pieces)After taking damage you surround yourself in an 8 meter mist of blood. After 2 seconds, the mist is violently siphoned into your body, dealing 1947 Bleed Damage to nearby enemies and healing you for the damage done. This effect reveals you, can occur once every 8 seconds, and scales off your Max Health.
Castle Thorn
Castle Thorn is a four-player group dungeon in The Elder Scrolls Online. Its entrance is in Western Skyrim. It requires access to the Stonethorn DLC, also available with an active ESO Plus subscription. It is available on normal and veteran difficulty. It features a hard mode on veteran difficulty. Browse its equipment sets and the achievements you can earn inside.
Dungeon sets

Lady Thorn
Monster SetsLight ArmorHeavy ArmorMedium Armor
- (1 pieces)Adds 1206 Maximum Health
- (2 pieces)Casting an ability that costs Health spawns a blood ball for 10 seconds. This effect can occur once every 10 seconds. You or an ally near the blood ball can activate the Sanguine Burst synergy, dealing 2880 Disease damage to nearby enemies and applying Major Maim for 8 seconds, decreasing their damage done by 10%. Enemies can only receive Major Maim from Sanguine Burst once every 20 seconds. The damage scales off the synergy activator's Max Health.

Talfyg's Treachery
DungeonsJewelryWeaponsLight Armor
- (2 pieces)Adds 657 Critical Chance
- (3 pieces)Adds 1096 Maximum Magicka
- (4 pieces)Adds 129 Weapon and Spell Damage
- (5 pieces)Increases your Weapon and Spell Damage by 372. Increases your damage taken from Flame and Fighter's Guild abilities by 5%.

Unleashed Terror
DungeonsJewelryWeaponsMedium Armor
- (2 pieces)Adds 129 Weapon and Spell Damage
- (3 pieces)Adds 1096 Maximum Stamina
- (4 pieces)Adds 1096 Maximum Stamina
- (5 pieces)When you deal direct damage with a Blink, Charge, Leap, Teleport, or Pull ability, you cut your enemy, causing them to bleed for 10 seconds, dealing 1870 Bleed Damage over the duration and applying the Hemorrhaging status effect every tick. This ability can occur once every 10 seconds per target and scales off the higher of your Weapon or Spell Damage.
Leads in Castle Thorn
No antiquity leads are currently recorded as obtainable in Castle Thorn.
Dungeon achievements

Thorn Legion Slayer
Defeat 200 Thorn Legion Vampires in Veteran Castle Thorn. This includes Thorn Legion Sanguimancers, Quickblades, Marksmen, Maulers, or Reanimated Vampires.

Thorn Legion Senche-Raht Slayer
Defeat 50 Thorn Legion Senche-Rahts in Veteran Castle Thorn.

Castle Thorn Vanquisher
Defeat Dread Tindulra, the Blood Twilight, Vaduroth, Talfyg, and Lady Thorn in Castle Thorn.

Castle Thorn Conqueror
Defeat Dread Tindulra, the Blood Twilight, Vaduroth, Talfyg, and Lady Thorn in Veteran Castle Thorn.

Thorn Remover
Defeat Lady Thorn after raising the challenge banner in Veteran Castle Thorn.

Homewrecker
Defeat all encounters in addition to Dread Tindulra, the Blood Twilight, Vaduroth, Talfyg, and Lady Thorn within 30 minutes of entering Veteran Castle Thorn. Your timer starts when you engage the first group of enemies.

Impervious Onslaught
Defeat all encounters in addition to Dread Tindulra, the Blood Twilight, Vaduroth, Talfyg, and Lady Thorn in Veteran Castle Thorn without suffering a group member death.

Castle Thorn Challenger
Complete the listed achievements for Veteran Castle Thorn.

Bane of Thorns
Defeat all encounters in addition to Dread Tindulra, the Blood Twilight, Vaduroth, Talfyg, and Lady Thorn after raising the challenge banner in Veteran Castle Thorn within 30 minutes without suffering a group member death. Your timer starts upon engaging the first group of enemies.

Hound Pound
Defeat Dread Tindulra and kill her Broodlings while they are at least 15 meters apart in Veteran Castle Thorn.

Four by Four
Defeat Vaduroth after each group member bursts at least one imbued hanging corpse with the sickle in Veteran Castle Thorn.


Let Sleeping Gargoyles Lie
Defeat Talfyg without killing any of the large Frozen Gargoyles during his encounter in Veteran Castle Thorn.

Taking Turns
Defeat Lady Thorn after completing both bat swarm phases where each player used the Blood Scavenger synergy at least once per phase in Veteran Castle Thorn.

Guardian Preserved
Defeat Lady Thorn after raising the challenge banner without killing the Blood Guardian in Veteran Castle Thorn.

Thorn Legion Style Master
Learn every chapter in the Thorn Legion style book, occasionally found as rewards for completing the Castle Thorn Dungeon.
