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.

You become obsesses with one Survivor.  When your obsession is hooked, Furtive Chase receives a token, up to a maximum of 4 tokens.

Each token decreases your Terror Radius by 4 meters while in a chase.

When a Survivor rescues the Obsession from a hook, the rescuer becomes the Obsession.

Grants the Undetectable Status Effect after standing still for 4/3/2 seconds and until you are moving again.

Survivors cleansing or blessing any Totem suffer from the Oblivious Status Effect for 35/40/45 seconds.
After cleansing or blessing a Hex Totem, the Auras of all Survivors are revealed to you for 15 seconds.
The Hex effects persist until its Hex Totem is cleansed.

The Scratch Marks left by Survivors spawn slightly/moderately/considerably closer together.

The Auras of Breakable Walls, Pallets, and Windows are revealed to you within 24/28/32 meters.