After hitting a Great Skill Check while repairing or healing, Hyperfocus gains 1 Token, up to a maximum of 6 Tokens
For each Token, the following stack-able effects are applied:

Increases the Skill Check Trigger odds by +4 percent per Token.
Increases the Skill Check Rotation speed by +4 percent per Token.
Increases the Skill Check Bonus progression by 10/20/30 percent of its base value per Token.
Hyperfocus loses all Tokens when succeeding a Good Skill Check, failing a Skill Check, or if the action is interrupted by any means.

Extends the radius of all Survivor-based Aura-reading abilities by 8/12/16 metres.
Survivors can only be affected by one instance of Open-Handed at a time.

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.

Whenever you are in the Injured State, Lucky Break activates:

Suppresses your Pools of Blood and Scratch Marks for a maximum of 40/50/60 seconds, after which Lucky Break deactivates.
Each 1 second spent healing another Survivor recharges Lucky Break by 1 second up to its maximum Effect duration.

Lucky Break also deactivates whenever you are Healthy or in the Dying State.

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

Unlocks potential in your Aura-reading ability:
The Auras of Survivors in the Injured State or in the Dying State within 64/96/128 metres of your location are revealed to you.
Empathy does not reveal the Aura of a Survivor being carried by the Killer.