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.

3 seconds after injuring a Survivor by any means, Dissolution activates for 20 seconds.  While Dissolution is active, if a Survivor fast vaults over a pallet inside of your Terror Radius, The Entity will break the pallet at the end of the vault, and Dissolution deactivates.

You hear the sporadic whispers of the Entity whenever at least one Survivor is within 48/40/32 meters of your location.

The last 2/3/4 Survivors hit with either your Basic Attack or Special Attack suffer from the Blindness Status Effect.

The Hex effects persist until its Hex Totem is cleansed.

Whenever a Survivor performs a Healing action while they are inside your Terror Radius, that Survivor suffers from the Blindness and Exhausted Status Effects
These effects linger for 6/8/10 seconds after the Healing action is interrupted by any means.

Survivors within your Terror Radius suffer from inefficiency:

When using an Item, its Depletion rate is increased by 80/90/100 percent.