Agent of Nocturnal

Becoming an  is the reward for completing the quest Darkness Returns. After returning the Skeleton Key to the Ebonmere in the Twilight Sepulcher, the Dragonborn may choose one of three roles: Agent of Stealth, Agent of Subterfuge or Agent of Strife. Each of these roles grants a special power that may be used once per day. Only one role can be active at a time, but the choice need not be permanent; after waiting 24 hours, the Dragonborn may return to the Sepulcher and choose a different role.

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Agent of Stealth
Represented by a crescent moon, the Agent of Stealth gains the power "Shadowcloak of Nocturnal". Entering Sneak mode renders the Dragonborn invisible for 120 seconds. Like the invisibility spell and potions, the invisibility effect is dispelled as soon as the Dragonborn engages in an activity other than simple movement; this includes opening doors or containers, attacking NPCs, pickpocketing items, casting spells, or activating items. Unlike potions or spell, however, this invisibility resumes if the Dragonborn re-enters sneak mode.
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 * width=160 align="center" | AgentofSubterfuge.png

Agent of Subterfuge
Represented by a half moon, the Agent of Subterfuge gains the power "Nightingale Subterfuge", which allows the Dragonborn to cloud the judgment of an NPC for 30 seconds, causing them to fight on the Dragonborn's side. This is similar to the Frenzy and Fury effects and spells but does not put the Dragonborn in any danger.
 * width=160 align="center" | AgentofStrife.png
 * width=160 align="center" | AgentofStrife.png

Agent of Strife
Represented by a full moon, the Agent of Strife gains the power "Nightingale Strife", which allows the Dragonborn to absorb 100 points of Health from a target.
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Agent von Nocturnal