You start the trial with 3 Tokens.
Whenever the Killer attempts to read your Aura, Distortion activates and 1 Token is consumed:

Your Aura will not be shown to the Killer and you will not leave any Scratch Marks for the next 6/8/10 seconds.
Every 30 seconds you are within the Killer's Terror Radius, Distortion gains back 1 Token.

Distortion does not activate when you are in the Dying State.

Distortion cannot accumulate more Tokens than its initial count.

After being unhooked or unhooking yourself, instantly gain 40/45/50 percent to your Healing progress.

After a Generator is completed, you will not leave any Scratch Marks for the next 6/8/10 seconds.

After repairing a Generator for at least 3 seconds, its Aura is highlighted to you in yellow.

The Generator stays highlighted until it is either fully repaired, you start repairing another Generator, or enter a Locker.
Entering a Locker will trigger a Loud Noise Notification for the Killer at the highlighted Generators location.
Red Herring has a cool-down of 60/50/40 seconds.

When you or the Obsession are injured, you both see each other's Auras.

After healing the Obsession or being healed by the Obsession, you both gain the Haste Status Effect, moving at an increased speed of 5/6/7 percent until you are no longer within 16 metres of each other.
If you are the Obsession, Blood Pact deactivates.
Lowers the odds of becoming the Killer's initial Obsession by -100 percent.

The Killer can only be obsessed with Survivor at a time.

Grants 3 additional Self-Unhook attempts.
Increases the Self-Unhook chance by 2/3/4 percent.