Iron Maiden increases your Locker Search speed by 30/40/50 percent.
Survivors who exit a Locker suffer from the following afflictions:

Scream and reveal their location to you for 4 second.
Suffer from the Exposed Status Effect for 30 seconds.

After a Survivor loses a health state, Gearhead activates.

While Gearhead is active, the next time a Survivor completes a Great Skill Check while repairing, the perk deactivates and their aura is revealed to you for 10 seconds.

The Aura of a Survivor entering the Basement when you are at least 32 meters away is revealed to you for 3 seconds.
Territorial Imperative has a cool-down of 30/25/20 seconds.

You become obsessed with one Survivor.  Your Obsession gains a 33percent action speed bonus to unhooking and healing other Survivors.  Each time you hook a Survivor other than the Obsession, if the Obsession is alive, gain a token.  If the Obsession is alive, all Survivors who are not the Obsession get 3percent penalty to repair, healing and sabotage speeds for each token.