Performing the Damage Generator Action on a Generator activates Oppression:

Causes up to 3 additional Generators to also start regressing.
Triggers a difficult Skill Check on all Survivors currently repairing one of those Generators.
Oppression has a cool-down of 120/100/80 seconds.

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.

Unlocks potential in ones aura reading ability.  Reveals dying Survivors auras when standing within a 36 meter range.

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 unhooked from a Scourge Hook, the following effects apply:

The Survivor suffers from the Hemorrhage and Mangled Status Effects until healed.
Upon being healed, the Survivor suffers from a 10/13/16 percent Action Speed penalty to Healing and Repairing until they are injured again.