Once the Exit Gates are powered, Terminus activates:

All Survivors, who are either injured, dying, or hooked, suffer from the Broken Status Effect until the Exit Gates are opened.
This effect lingers for an additional 20/25/30 seconds after the Exit Gates are open.

Instead of snuffing Boon Totems you destroy them.
Destroying a Boon Totem this way reveals the Auras of all Survivors that were within its range at that moment for 6/7/8 seconds.

You recuperate faster from missed attacks made with your main weapon.
Reduces the Cool-down of missed Basic Attacks by 20/25/30 percent.

After hooking a Survivor, Pop Goes the Weasel activates for the next 35/40/45 seconds:

Performing the Damage Generator Action on a Generator instantly regresses it by -20 percent of its current Progression, after which normal Regression applies.

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 Auras of all other Survivors are revealed for 5/6/7 seconds.

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.