You become obsessed with one Survivor.
Each time you hit a Survivor other than your Obsession with a Basic Attack, Save the Best for Last gains 1 Token, up to a maximum of 8 Tokens:

Gain a stack-able 5 percent Cool-down reduction on successful attacks per Token, up to a maximum of 40 percent.
Each time you hit your Obsession with a Basic Attack, Save the Best for Last loses 4/3/2 Tokens.

When the Obsession is sacrificed or killed, you can neither gain nor lose any more Tokens.
You can only be obsessed with one Survivor at a time.

At the start of the Trial, 4 random Hooks are changed into Scourge Hooks:

The Auras of Scourge Hooks are revealed to you in white.
Each time a Survivor is hooked on a Scourge Hook, the following effects apply:

The Generator with the most Progression explodes, instantly losing 9/12/15 percent of its Progression and starting to regress.
Survivors repairing that Generator will scream, but not reveal their location.

"After vaulting a Window, Bamboozle calls upon The Entity to block that Window for the next 8/12/16 seconds.
- Blocked Windows cannot be vaulted by Survivors."

Increases the volume of Survivors Grunts of Pain by 25/50/50 percent.
Increases the volume of Survivors regular breathing by 0/0/25 percent.

Any Survivor performing a rushed action within 48 meters of your location has their Aura revealed to you for 6 seconds.
Im All Ears can only be triggered once every 60/50/40 seconds.

If there is at least one Dull Totem remaining in the Trial Grounds, Hex: Plaything activates on a random Totem each time a Survivor is hooked for the first time:

The hooked Survivor suffers from the Cursed and Oblivious Status Effects until Hex: Plaything is cleansed.
For the first 90 seconds, only the Cursed Survivor is able to cleanse the Hex Totem.
The Aura of Hex: Playthings Hex Totem is revealed to the Cursed Survivor within 24/20/16 meters.
The Hex effects persist until its Hex Totem is cleansed.