Whenever you cleanse a Totem, Clairvoyance activates:

When empty-handed, press and hold the Ability button to unlock your full Aura-reading potential, allowing you to see the Auras of the Exit Gate Switches, Generators, Hooks, Chests, and the Hatch within 64 metres for 8/9/10 seconds.

After repairing Generators for a total of 55/50/45 seconds, Repressed Alliance activates:

Press the Active Ability button to call upon The Entity to block the Generator you are currently repairing for 30 seconds, after which Repressed Alliance deactivates.
The Aura of the blocked Generator is revealed to all Survivors in white.
Repressed Alliance can only be triggered when no other Survivors are repairing your Generator.

After cleansing a Totem, Overzealous activates:

Increases your Repair speed by 6/7/8 percent if it was a Dull Totem.
Increases your Repair speed by 12/14/16 percent if it was a Hex Totem.
Overzealous deactivates when losing a Health State by any means.

Unlocks potential in your Aura-reading ability:
The Auras of all other Survivors within 20/28/36 metres of your location are revealed to you.

Unlocks potential in your Aura-reading ability.
When healing another Survivor from the Dying State to the Injured State, they are granted a 10 percent Haste Status Effect for 6/8/10 seconds and the Killer's Aura is revealed to the both of you for the same duration.

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.