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.

You can see the Scratch Marks of other Survivors.
Whenever another Survivor loses a Health State within 32 metres of you, the Killers Aura is revealed to you for 3/4/5 seconds.

Unlocks potential in your Aura-reading ability:
Each time a Generatoris completed, Dark Sense activates:

The Aura of the Killer is revealed to you for 5/7/10 seconds, as soon as they come within 24 metres of you, after which Dark Sense deactivates.

Interacting with a Locker while holding the Sprint button has the following effects:

You do not enter the Locker.
The Locker's doors swing open and close swiftly, feigning a Survivor entering it.
Triggers a Loud Noise Notification at the Locker's location, feigning a Survivor rushing to enter it.
Suppresses the creation of Scratch Marks and Pools of Blood for 3 seconds.
Deception has a cool-down of 60/50/40 seconds.