Once you are one Hook away from instant death, Blood Rush activates:

Press the Active Ability button to lose a Health State and instantly recover from the Exhausted Status Effect.
Causes the Broken Status Effect for 28/24/20 seconds, while you are automatically healing back to Healthy.
Cancels the healing effect upon taking damage.
Blood Rush is disabled for the remainder of the Trial after use.

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.

You cleanse Totems 20 percent faster.

Gain another, stack-able 20 percent Cleansing Speed bonus per cleansed Totem.
After cleansing a Totem, the Aura of the Totem farthest from you is revealed to you for 2/3/4 seconds.

Each time you are unhooked or unhook yourself, the Hook breaks and the Killer's Aura is revealed to you for 4/5/6 seconds.
A Hook broken by Breakdown takes 180 seconds to respawn.

You transform plants found around The Campfire into tinctures that slow down bleeding.
Increases your Healing speed by 30/40/50 percent.
Reduces the Healing efficiency of Med-Kits by -20 percent.

When within 6 metres of a hooked Survivor, press the Active Ability button to halt their Sacrifice Process for the next 20/25/30 seconds.
If the hooked Survivor has already entered the Struggle Phase, its Skill Checks are paused for that duration.
Reassurance can only be used once per Survivor per Hook Instance.