Whenever you are the only Survivor in the Trial, who is not either in the Dying State, hooked, or already dead, Low Profile activates:

Suppresses your Pools of Blood, Scratch Marks, and Grunts of Pain for 70/80/90 seconds.

After repairing Generators for a total of 55/50/45 seconds, Repressed Alliance activates:

Press the Active Ability button to call upon The Entity to block the Generator you are currently repairing for 30 seconds, after which Repressed Alliance deactivates.
The Aura of the blocked Generator is revealed to all Survivors in white.
Repressed Alliance can only be triggered when no other Survivors are repairing your Generator.

Unlocks potential in your Aura-reading ability:
Paranoia paired with your horror of failure helps prepare you from repeating the same mistakes.

The Auras of the 3 Generators in closest proximity to one another are revealed to you for 30/45/60 seconds at the start of the Trial, and each time a Generator is completed.
Increases your Repair speed on those Generators by +5 percent while active.
If you are holding a Map, all Generators revealed by Déjà Vu are automatically added to it.

Unlocks potential in your Aura-reading ability:
The Auras of closed Chests and dropped Items in the environment within 16/24/32 metres of your location are revealed to you.
Grants a considerably better chance at finding an Item of a higher Rarity from Chests.