When you unhook a Survivor, the rescued Survivor benefits from the following effects for 4/6/8 seconds:

Scratch Marks and Pools of Blood are suppressed.
Additional 7 percent Haste Status Effect, boosting their Movement speed.
Guardian reveals the Killers Aura to you for 8 seconds.

After being healed from or having recovered from the Dying State, Soul Guard grants you the Endurance Status Effect for the next 4/6/8 seconds.

Any damage taken that would put you into the Dying State will instead trigger the Deep Wound Status Effect, after which you have 20 seconds to Mend yourself.
Taking any damage while under the effect of Deep Wound or if its timer runs out will put you into the Dying State.
Soul Guard allows you to completely recover from the Dying State when you are affected by the Cursed Status Effect.
Soul Guard has a cool-down of 30 seconds.

When you are the last Survivor remaining in the Trial, the Aura of the Hatch is revealed to you when you are within 24/28/32 metres.

After repairing Generators for a total of 50 percent, Blast Mine activates:

After repairing a Generator for at least 3 seconds, press the Active Ability button to install a Trap, which stays active for 40/45/50 seconds.
The Aura of Trapped Generators are revealed in yellow to all Survivors.
When the Killer damages a Trapped Generator, the Trap explodes, stunning them and blinding anyone nearby.
Blast Mine deactivates after triggering successfully or if the timer runs out.

Unlocks potential in your Aura-reading ability:
The Auras of closed Chests and dropped Items in the environment within 16/24/32 metres of your location are revealed to you.
Grants a considerably better chance at finding an Item of a higher Rarity from Chests.

Press and hold the Active Ability button near a Dull or Hex Totem to bless it and create a Boon Totem.
Soft chimes ring out within a radius of 24 metres.

Survivors inside the Boon Totem's range benefit from the following effects:
2 percent Haste Status Effect.
This effect lingers for 2/3/4 seconds after leaving the Boon Totem's range.
You can only bless one Totem at a time.
All equipped Boon Perks are active on the same Boon Totem.