You become obsessed with one Survivor.
Each time a Generator is completed, the following effects apply:

Reveals your Aura to the Obsession for 5/4/3 seconds.
All Survivors locations are revealed to you for 3 seconds.
Once the Exit Gates are powered, the following effects apply:

You are granted the ability to kill the Obsession by your own hand.
The Obsession suffers from a permanent Exposed Status Effect.
You can only be obsessed with one Survivor at a time.

Performing the Damage Generator Action on a Generator triggers Nowhere to Hide:

The Auras of all Survivors within 24 meters of your position are revealed to you for 3/4/5 seconds.

Your base Terror Radius is increased by 8 meters.

Whenever you are outside of a Chase, your Terror Radius is reduced by 16 metres while your Field of View is increased by 3/5/10 °.
Field of View gains do not stack.

You reduce the duration of pallet stuns by 50percent.  Has no effect while carrying a Survivor.