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.

Whenever the Killer reads your Aura and for the same duration as they do so, Object of Obsession activates:

The Killers Aura is revealed to you.
Increases your Action speeds in Repairing, Healing, and Cleansing by 2/4/6 percent.
If you are the Obsession, your Aura is automatically revealed to the Killer for 3 seconds every 30 seconds.

Increases the odds of becoming the Killers initial Obsession by +100 percent.
The Killer can only be obsessed with Survivor at a time.

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:
90/95/100 percent bonus to the Recovery speed.
Unlocks the Self-Recovery ability, allowing you to fully recover from the Dying State.
You can only bless one Totem at a time.
All equipped Boon Perks are active on the same Boon Totem.

Whenever another Survivor finishes healing you, Teamwork: Collective Stealth activates and both you and the Survivor who healed you benefit from the following effect:

Suppresses your Scratch Marks for as long as you stay within 12 metres of one another or one of you loses a Health State.
Teamwork: Collective Stealth has a cool-down of 180/160/140 seconds.

Survivors can only be affected by one instance of Teamwork: Collective Stealth at a time.