When carrying a Survivor, Starstruck activates:

Survivors suffer from the Exposed Status Effect while in your Terror Radius.
The Status Effect lingers for 26/28/30 seconds after leaving your Terror Radius.
After hooking or dropping the carried Survivor, Starstruck deactivates:

The Status Effect persists for 26/28/30 seconds for any Survivor inside your Terror Radius at that moment.
Starstruck has a cool-down of 60 seconds once the Survivor is no longer being carried.

Grants the Undetectable status effect after gaining Bloodlust Tier 1.  The status effect is removed once you lose Bloodlust.

Gain 50percent more Bloodpoints for actions in the Hunter Category.

While carrying a Survivor you benefit from the following effects:

Decreases Wiggle effects, which cause you to strafe sideways, by 75 percent.
Increases Wiggle duration by 4/8/12 percent.

At the start of the Trial, 4 random Hooks, as well as the Basement Hooks, are changed into Scourge Hooks:

The Auras of Scourge Hooks are revealed to you in white.
Each time a Survivor is hooked on a Scourge Hook, the following effect applies whenever you are farther than 24 metres from the hooked Survivor:
Accelerates the Sacrifice Process by 10/15/20 percent.