Online:Arx Corinium

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The Second Empire made some advances into the periphery of Black Marsh, but they didn't stay long. Arx Corinium, once an Imperial fort, is now occupied by denizens of the deep swamp—and even stranger things.
ON-mapicon-GroupInstance.png
Ruin:
Arx Corinium
(view on map)
ON-icon-alliance-Ebonheart.png
Group Dungeon
Discoverable Yes
Completion Objective
Dungeon Yes
# of Zones 1
Occupants
Ancient Lurcher, Fanged Menace, Ganakton the Tempest, Giant Snakes, Lamias, Lurchers, Matron Ixniaa, Sellistrix the Lamia Queen, Sliklenia the Songstress
Zone
Venomous FensShadowfen
Location
Southwestern Shadowfen
Instanced Dungeon
Min Level 24
Group Size 4
Bosses 3
Mini-Bosses 3
Arx Corinium

Arx Corinium is a group dungeon found in western Shadowfen. While previously constructed and held by the Imperials, the fort has fallen into disrepair and is overrun with Lamias. A group of nereids now occupy the flooded fort and focus on restoring balance to the land. Rumors say the fort is home to a great source of power, although it is perverse, corrupted. You can learn about its location from Mindil the Untested in Marbruk, Abzag the Monster in Shornhelm, or Maela the Crone in Stormhold.

Its dungeon sets are Lamia's Song, Medusa, and Undaunted Infiltrator.

There are always 4 treasure chests available to find in this dungeon, which may contain weapons, armor or jewelry from the dungeon's sets.

Related Quests[edit]

  • Arx Corinium Objective: Explore the ruins of the Imperial fort Arx Corinium. / You helped the Nereid Sisters defeat the lamia nest.
  • Repeatable Pledge: Arx Corinium: Prove you are truly Undaunted by clearing Arx Corinium.
  • Repeatable Arx Corinium Pledge: Explore Arx Corinium and return Undaunted. (disabled since Patch 2.6.4)

Arx Corinium[edit]

Residents[edit]

Enemies[edit]

Minibosses[edit]

Bosses[edit]

Books[edit]

Sets[edit]

Set Name Bonuses Location(s) Set Type
Lamia's Song

2 items: Adds 25-1096 Maximum Magicka
3 items: Adds 3-129 Magicka Recovery
4 items: Adds 25-1096 Maximum Magicka
5 items: When you use an Ultimate ability, you and your group members within 20 meters of you heal for 0-25 Health and restore 0-25 Magicka and Stamina per point of the Ultimate's cost.

Arx Corinium Light Armor
Undaunted Infiltrator

2 items: Adds 25-1096 Maximum Stamina
3 items: Adds 25-1096 Maximum Stamina
4 items: Adds 15-657 Weapon Critical
5 items: When you use an ability that costs Magicka while in combat, you increase the damage of your Light and Heavy Attacks by 39-1685 for 10 seconds.

Arx Corinium Medium Armor
Medusa

2 items: Adds 15-657 Spell Critical
3 items: Adds 15-657 Spell Critical
4 items: Adds 15-657 Spell Critical
5 items: Adds 20-892 Spell Critical
5 items: Gain Minor Force at all times, increasing your Critical Damage by 10%.

Arx Corinium Heavy Armor
Sellistrix

1 item: Adds 25-1096 Maximum Stamina
2 items: When you deal damage you create an earthquake under the enemy that erupts after 1.5 seconds, dealing 158-6836 Physical damage to all enemies within 4 meters and stunning them for 3 seconds. This effect can occur once every 6 seconds.

Sellistrix the Lamia Queen
Glirion's chest
Monster Helm Sets

Achievements[edit]

There are several Achievements associated with this dungeon:

Achievement Points Description
ON-icon-achievement-Group Dungeon.png Arx Corinium Vanquisher 10 Defeat the Ancient Wamasu, the Lamia Songstress, and the Lamia Queen.
ON-icon-achievement-Rank.png Arx Corinium Conqueror 15 Complete Veteran Arx Corinium by defeating the Fanged Menace, Ganakton the Tempest, Sliklenia the Songstress, Matron Ixniaa, the Ancient Lurcher, and Sellistrix the Lamia Queen.
ON-icon-achievement-Veteran Undaunted.png Snake Skinner 50 Defeat Sellistrix the Lamia Queen in Veteran Arx Corinium, after invoking the Scroll of Glorious Battle.
ON-icon-achievement-Veteran Dungeon.png Veteran Lamia Slayer 10 Defeat 400 Lamias in Veteran Arx Corinium.
ON-icon-achievement-Veteran Dungeon.png Veteran Snake Slayer 10 Defeat 175 Giant Snakes in Veteran Arx Corinium.
ON-icon-achievement-UD Skill Master.png Arx Corinium Survivor 50 Defeat the Fanged Menace, Ganakton the Tempest, Sliklenia the Songstress, Matron Ixniaa, the Ancient Lurcher, and Sellistrix the Lamia Queen in Veteran Arx Corinium, without suffering a group member death.
ON-icon-achievement-Veteran Speed.png Arx Corinium Assassin 50 Defeat the Fanged Menace, Ganakton the Tempest, Sliklenia the Songstress, Matron Ixniaa, the Ancient Lurcher, and Sellistrix the Lamia Queen in Veteran Arx Corinium within twenty minutes of starting the dungeon. Timer starts when players engage the first group of nesting serpents.

Notes[edit]

  • Before dungeon scaling was introduced in Update 5, Arx Corinium was designed for levels 28-31.

Maps[edit]

Possible locations for treasure chests and heavy sacks
Possible locations for treasure chests and heavy sacks