Any Survivor who blinds you or stuns you using a Pallet becomes the Obsession.
Anytime your Obsession switches to another Survivor by any means, that Survivor then suffers from the Oblivious Status Effect for 40/50/60 seconds and their Aura is revealed to you for 4 seconds.
You can only be obsessed with one Survivor at a time.

When hooking a Survivor, all other injured Survivors suffer from the Hemorrhage and Exhaustion status effect for 45 seconds.

Blood Echo has a cooldown of 60 seconds.

Exhausted prevents survivors from activating exhausting perks.
Hemorrhage regressing healing progress when not healing, and increases blood trails left by injured survivors.

The Auras of Breakable Walls, Pallets, and Windows are revealed to you within 24/28/32 meters.

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.

Each time a generator is completed, Coup de Grace grows in power.  Gain a token.

Consume one token to increase the distance of your next lunge attack by 80percent

After hooking a Survivor, Pop Goes the Weasel activates for the next 35/40/45 seconds:

Performing the Damage Generator Action on a Generator instantly regresses it by -20 percent of its current Progression, after which normal Regression applies.