After being within the Killer's Terror Radius for 40/35/30 seconds without being chased, Diversion activates:
Press the Active Ability button while crouched and motionless to throw a pebble, creating a distraction for the Killer at a distance of 20 metres from your location.
The distraction consists of the following:

Triggers a Loud Noise Notification.
Creates fake Scratch Marks.
Diversion deactivates after use and resets its timer.

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.

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.

Increases your Healing speed by 100 percent when healing a dying Survivor.
When performing any of the following actions, Were Gonna Live Forever gains 1 Token:

Performing a Safe Hook Rescue
Taking a Protection Hit for an injured Survivor.
Stunning or Blinding the Killer to rescue a carried Survivor
Consume 1 Token to grant the Endurance Status Effect for 6/8/10 seconds to any Survivor healed from the Dying State

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.

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