Failing a Skill Check while repairing:

Prevents the Generator Explosion.
Applies the default Regression penalty.
Applies an additional Regression penalty of 5/4/3 percent.
Technician reduces the audible range of your Generator-repairing noises by 8 metres.

After being within the Killer's Terror Radius for 40/35/30 seconds without being chased, Diversion activates:
Press the Active Ability button while crouched and motionless to throw a pebble, creating a distraction for the Killer at a distance of 20 metres from your location.
The distraction consists of the following:

Triggers a Loud Noise Notification.
Creates fake Scratch Marks.
Diversion deactivates after use and resets its timer.

After triggering your third Protection Hit, Mettle of Man activates:

While injured, Mettle of Man shields you from going down the next time you take damage.
Healing back to full health will reveal your Aura to the Killer whenever you are farther than 12/14/16 metres from them.
Mettle of Man deactivates the next time you are put into the Dying State.

Increases the odds of becoming the Killers initial Obsession by +100 percent.

The Killer can only be obsessed with Survivor at a time.

Increases your Crouching Movement speed by 90/95/100 percent.