Whenever a Generator is repaired to 70 percent, you benefit from the following effects:
Triggers a Loud Noise Notification for that Generator, revealing its location.
Grants the Undetectable Status Effect for the next 12/14/16 seconds.
Tinkerer can only trigger once per Generator per Trial.

At the start of the Trial, 4 random Hooks, as well as the Basement 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 effect applies whenever you are farther than 24 metres from the hooked Survivor:
Accelerates the Sacrifice Process by 10/15/20 percent.

Each time you hook a Survivor, Leverage activates and gains 1 Token, up to a maximum of 10 Tokens:

For each Token, the Altruistic and Personal Healing speeds of Survivors are reduced by a stack-able 3/4/5 percent for the next 30 seconds, up to a maximum of 30/40/50 percent.

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.

After damaging a generator, its aura is highlighted in yellow.

Whenever a Survivor enters the dying state, every affected generator explodes, losing 10percent worth of progress, and starts to regress.

Any Survivor repairing a generator when it explodes will scream and reveal their aura for 12 seconds.

Eruption has a cooldown of 30 seconds.

While you are chasing the Obsession, this perk activates.

Damaging generators and breaking walls or pallets gives you a 5percent Haste Status for 10 seconds.

 Whenever you hit the Survivor with the total most time in chase with a basic attack, they become the obsession.