Putting a Survivor into the Dying State with your Basic Attack blocks their Aura from being revealed to any Survivor, who is farther than 32/24/16 metres away from them.

For the next 15 seconds, the following effects apply to the dying Survivor:

Reduces their Field of View and causes them to be deafened.
Suffers from the Blindness Status Effect.
Reduces the Crawling speed by -50 percent.
Reduces the Recovery speed by -25 percent.

Unlocks potential in ones aura reading ability.  Each time a generator is fully repaired, Survivors within 16 meters of the completed generator will be revealed for 5 seconds.  When the last generator is fully repaired, all the survivors auras are revealed for 10 seconds.

Each time a generator is completed, Coup de Grace grows in power.  Gain a token.

Consume one token to increase the distance of your next lunge attack by 80percent

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.

After picking up a Survivor, all Generators not currently being repaired by Survivors are blocked by The Entity for the next 16 seconds.

The Auras of blocked Generators are highlighted to you in white.
Thrilling Tremors has a cool-down of 100/80/60 seconds.

Survivors within your Terror Radius have a 50percent penalty to healing progression speed, and healing Skill Checks move 50percent faster.