Performing the Damage Generator Action on a Generator applies Overcharge:

The next Survivor interacting with that Generator is faced with a difficult Skill Check.
Failing the Skill Check results in an immediate Progression loss of 3/4/5 percent.
Succeeding the Skill Check grants no bonus Progression, but prevents the Generator from exploding.
After Overcharge is applied to a Generator, the following effect applies:

Increases the Regression speed from 75 percent to 200 percent over the next 30 seconds.

The Auras of regressing Generators are highlighted in white.

If the Regression progress is interrupted on a Generator, its Aura will be highlighted in yellow for 8/12/16 seconds.
Surveillance increases the audible range of Survivors Generator-repairing noises by 8 meters.

Unlocks potential in ones aura reading ability.  Reveals dying Survivors auras when standing within a 36 meter range.

Whenever you are stunned by a Survivor, that Survivor suffers from the Exposed Status Effect for 10/15/20 seconds.

Hubris has a cool-down of 20 seconds

After unhooking a survivor, all survivors who are at least 60/50/40 meters away from that hook have their Aura revealed to you for 4 seconds.

After hooking a Survivor, THWACK! activates:

The next time you break a Breakable Wall or a Pallet, all Survivors within 28/30/32 meters of your location will scream and reveal their Aura for 4 seconds.