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.

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.

Reveals the Auras of available Pallets whenever you are in the Dying State.
While being carried by The Killer, reaching 25/20/15 percent Wiggling progression activates Power Struggle:

You can drop a nearby, standing Pallet to stun the Killer and escape their grasp.
Power Struggle deactivates after triggering successfully.

Unlocks potential in your Aura-reading ability.
Each time a Generator is completed, the Auras of any Generators, Chests, and Totems within 32/48/64 metres are revealed to you for 10 seconds.

If you are holding a Map, any objects revealed by Detectives Hunch will automatically be tracked by it.