Performing the Damage Generator Action on a Generator triggers Nowhere to Hide:

The Auras of all Survivors within 24 meters of your position are revealed to you for 3/4/5 seconds.

Unlocks potential in ones aura reading ability.  Each time a generator is fully repaired, Survivors within 16 meters of the completed generator will be revealed for 5 seconds.  When the last generator is fully repaired, all the survivors auras are revealed for 10 seconds.

Performing the Damage Generator Action on a Generator activates Oppression:

Causes up to 3 additional Generators to also start regressing.
Triggers a difficult Skill Check on all Survivors currently repairing one of those Generators.
Oppression has a cool-down of 120/100/80 seconds.

After picking up a Survivor, all Generators not currently being repaired by Survivors are blocked by The Entity for the next 16 seconds.

The Auras of blocked Generators are highlighted to you in white.
Thrilling Tremors has a cool-down of 100/80/60 seconds.

Hoarder triggers a Loud Noise Notification for 4 seconds, whenever a Survivor performs any of the following actions within 32/48/64 meters of your location:

Unlocks a Chest.
Picks up any Item, including Limited Items.
Hoarder spawns 2 additional chests in the Trial.

Putting a Survivor into the Dying State with your Basic Attack blocks their Aura from being revealed to any Survivor, who is farther than 32/24/16 metres away from them.

For the next 15 seconds, the following effects apply to the dying Survivor:

Reduces their Field of View and causes them to be deafened.
Suffers from the Blindness Status Effect.
Reduces the Crawling speed by -50 percent.
Reduces the Recovery speed by -25 percent.