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.

Each time a Survivor other than yourself is killed or sacrificed, Sole Survivor gains 1 Token, up to a maximum of 3 Tokens:

Each Token grants a stack-able radius of 20/22/24 metres within which the Killer is unable to read your Aura, up to a maximum of 60/66/72 metres.
Once you are the last Survivor standing, you benefit from the following effects:

Increases your Repair speed of Generators by +75 percent.
Increases your Opening speed of the Exit Gates and the Hatch by +50 percent.
Increases the odds of becoming the Killers initial Obsession by +100 percent.

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

Suppresses both the Loud Noise Notification and the sound effects triggered by rushing to vault Windows, Pallets, or rushing to enter or exit Lockers.
Quick & Quiet has a cool-down of 30/25/20 seconds.

When another Survivor is picked up, Background Player activates for the next 10 seconds:

When you start running, break into a sprint at 150 percent of your normal Running Movement speed for 4 seconds.
Background Player causes the Exhausted Status Effect for 60/50/40 seconds.

Background Player cannot be used when Exhausted.

Your acute senses are on high alert.
Whenever the Killer destroys a Pallet or a Breakable Wall, or damages a Generator, their Aura is revealed to you for 3/4/5 seconds.

Press and hold the Active Ability button near a Dull or Hex Totem to bless it and create a Boon Totem.
Soft chimes ring out within a radius of 24 metres.

Survivors inside the Boon Totem's range benefit from the following effects:
Scratch Marks are suppressed.
Auras are hidden from The Killer.
Both effects linger for 2/3/4 seconds after leaving the Boon Totem's range.
You can only bless one Totem at a time.
All equipped Boon Perks are active on the same Boon Totem.