The shade is first encountered upon entering the Forbidden Chamber area of Vigil's Keep - Deep Roads. It is aided by skeletons and attacks the party. When the fight is over, the shade becomes docile, and does not attack. However, once the Warden-Commander activates the Strange Apparatus, the door behind the shade opens, and it exits the area to disappear in the corridor.Vigil's Keep basement. Once the door is open, the Warden-Commander may choose to enter the crypt as well. Once inside, the shade brings Avvar Lords back to life. When the walking dead are vanquished, the journal updates, stating that perhaps this time the Dark Theurge perished.
In order of usage probability (100% to 20%):
- Arcane Bolt
- Mana Drain
- Chain Lightning
- Mana Clash
- Arcane Field
- Resistances - similar to arcane horrors, i.e. cold immunity and high spell resistance.
- It is entirely possible that the Dark Theurge is the result of Ruadan's possession.