Whenever you put a healthy Survivor into the Injured State, all injured Survivors suffer from the Oblivious Status Effect for 20/25/30 seconds.
Hysteria has a cool-down of 30 seconds.

Your Terror Radius is increased by 26percent.  Gain 100percent more Bloodpoints for action in the Deviousness category.

The Entity blocks a window for 20 seconds after a Survivor performs a rushed vault through it.

The Hex effects persist as long as the related Hex Totem is standing.

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.