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.

When another Survivor loses a Health State within 32 metres of your location while you are in the Injured State, you benefit from the following effect:

Grants 40/45/50 percent of your missing Healing Progression to your Health Bar.

Your presence psychically projects itself to those in danger.
Whenever another Survivor is injured, they can see your Aura when within 32/64/96 metres of your location.
You heal other Survivors 10 percent faster.

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.