Start the Trial with 3 Tokens:

When a Chest has already been opened, consume 1 Token to rummage through it for an Item.
Rummage through Chests 40/60/80 percent faster.
Rummaging is only available once per Chest.

Unlocks potential in your Aura-reading ability:
The Auras of all other Survivors within 20/28/36 metres of your location are revealed to you.

Whenever another Survivor is hooked, Fast Track gains 1/2/3 Tokens, up to a maximum of 9/18/27 Tokens.

You consume all accumulated Tokens after a Great Skill Check on a Generator.
Each Token grants a stack-able 1 percent Progression bonus in addition to the default Progression bonus for succeeding a Great Skill Check.

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.

After performing a rushed vault, break into a sprint of 150 percent of your normal Running Movement speed for a maximum of 3 seconds.
Lithe causes the Exhausted Status Effect for 60/50/40 seconds.
Lithe cannot be used when Exhausted.

Reduces the volume of Grunts of Pain while in the Injured State by 25/50/75 percent.
Iron Will cannot be used when suffering from Exhaustion, but does not cause the Exhausted Status Effect.