When you or the Obsession are injured, you both see each other's Auras.

After healing the Obsession or being healed by the Obsession, you both gain the Haste Status Effect, moving at an increased speed of 5/6/7 percent until you are no longer within 16 metres of each other.
If you are the Obsession, Blood Pact deactivates.
Lowers the odds of becoming the Killer's initial Obsession by -100 percent.

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

Unlocks potential in your Aura-reading ability.
When healing another Survivor from the Dying State to the Injured State, they are granted a 10 percent Haste Status Effect for 6/8/10 seconds and the Killer's Aura is revealed to the both of you for the same duration.

Whenever you cleanse a Totem, Clairvoyance activates:

When empty-handed, press and hold the Ability button to unlock your full Aura-reading potential, allowing you to see the Auras of the Exit Gate Switches, Generators, Hooks, Chests, and the Hatch within 64 metres for 8/9/10 seconds.

When another Survivor is picked up, Background Player activates for the next 10 seconds:

When you start running, break into a sprint at 150 percent of your normal Running Movement speed for 4 seconds.
Background Player causes the Exhausted Status Effect for 60/50/40 seconds.

Background Player cannot be used when Exhausted.

After hitting a Great Skill Check while repairing or healing, Hyperfocus gains 1 Token, up to a maximum of 6 Tokens
For each Token, the following stack-able effects are applied:

Increases the Skill Check Trigger odds by +4 percent per Token.
Increases the Skill Check Rotation speed by +4 percent per Token.
Increases the Skill Check Bonus progression by 10/20/30 percent of its base value per Token.
Hyperfocus loses all Tokens when succeeding a Good Skill Check, failing a Skill Check, or if the action is interrupted by any means.

You transform plants found around The Campfire into tinctures that slow down bleeding.
Increases your Healing speed by 30/40/50 percent.
Reduces the Healing efficiency of Med-Kits by -20 percent.