3 generators located furthest from you are blocked by The Entity for 120 seconds at the start of the trial.  Survivors cannot repair these generators for the duration.  Affected generators are highlighted by a white aura.

Each time a Survivor is hooked for the first time, you gain a token.  Upon reaching 4 tokens Grim Embrace activates.

The Entity blocks all generators for 40 seconds.  The Obsessions aura is revealed to you for 5 seconds.

Each time a generator is repaired, all windows and vault locations within 32 meters of it are blocked for all Survivors for the next 30 seconds.

Survivors repairing or healing within your Terror Radius suffer from the following effects:

Increases the Trigger odds of Skill Check by 10 percent.
Decreases the Success zone of Skill Checks by 40/50/60 percent.

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.

When you hook a Survivor, Dead Mans Switch activates for the next 30 seconds.

While activated, any Survivor that stops repairing a generator before it is fully repaired causes The Entity to block the generator until Dead Mans Switchs effect ends.

Affected generators are highlighted by a white aura.