After performing a rushed vault in a Chase, Cut Loose activates for the next 4/5/6 seconds:

Suppresses both the Loud Noise Notification and the sound effects triggered by rushing to vault.
Successfully performing a rushed vault while Cut Loose is active resets the timer.
Cut Loose has a cool-down of 45 seconds.

After repairing Generators for a total of 33 percent, Wiretap activates:

After repairing a Generator for 3 seconds, press the Active Ability button to install a Wiretap, which stays active for 60/70/80 seconds.
The Auras of trapped Generators are revealed to all Survivors in yellow.
When the Killer comes within 14 metres of a trapped Generator, their Aura is revealed to all Survivors.
Damaging the Generator destroys the Wiretap.

Every 15 seconds you are within the Killers Terror Radius, while not being chased, Stake Out gains 1 Token, up to a maximum of 2/3/4 Tokens.

When Stake Out has at least 1 Token, Good Skill Checks consume 1 Token and are considered Great Skill Checks, granting an additional Progression bonus of 1 percent.
Great Skill Checks do not consume any Tokens.

Reduces the duration of your Scratch Marks by 3/4/5 seconds.
Your Scratch Marks are spaced inconsistently.

Press the Active Ability button while running to trigger the Endurance Status Effect for 0.5 seconds.
Dead Hard causes the Exhausted Status Effect for 60/50/40 seconds.

Dead Hard cannot be used when Exhausted.

You refuse to fail, even during your darkest hour.
Increases your Action speeds in Healing and Unhooking by 10/12/14 percent for each injured, hooked, or dying Survivor, up to a maximum of 40/48/56 percent.