You become obsessed with one Survivor.  When the Obsession loses a health state, your Terror Radius transfers to the Obsession for 30 seconds, and its radius is set to 32 meters.

You are granted the Undetectable status effect for the duration.

The Survivor with the transferred Terror Radius is also considered to be "inside the Terror Radius" for other purposes.

The Killer can only be obsessed with one Survivor at a time.  Undetectable hides the Killers aura, Terror Radius, and Red Stain.

Each time a Survivor is rescued from a Hook when you are at least 32 meters away, Make Your Choice activates:
The Rescuer screams and suffers from the Exposed Status Effect for the next 40/50/60 seconds.
Make Your Choice has a cooldown of 40/50/60 seconds.

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

Your basic attacks make Survivors drop their item on impact.  While on the ground, it takes up to 90 seconds for the item to lose all of its charges if it is not picked up.  Reveal items on the ground within 32 meters with a white aura.  The aura will slowly fade to red until the item is empty of charges.

After hooking a Survivor, Pop Goes the Weasel activates for the next 35/40/45 seconds:

Performing the Damage Generator Action on a Generator instantly regresses it by -20 percent of its current Progression, after which normal Regression applies.

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