You can see the Scratch Marks of other Survivors.
Whenever another Survivor loses a Health State within 32 metres of you, the Killers Aura is revealed to you for 3/4/5 seconds.

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.

While healthy and healing another Survivor without using a Med-Kit, press the Active Ability button to activate For the People:

Trades 1 Health State with the other Survivor.
Heals a Survivor from the Dying State to the Injured State.
Heals a Survivor from the Injured State to Healthy.
You become injured and suffer from the Broken Status Effect for the next 80/70/60 seconds.
You become the Killers Obsession, if not already.
Lowers the odds of becoming the Killers initial Obsession by -100 percent.
The Killer can only be obsessed with Survivor at a time.

Press and hold the Active Ability button near a Dull or Hex Totem to bless it and create a Boon Totem.
Soft chimes ring out within a radius of 24 metres.

Survivors inside the Boon Totem's range benefit from the following effects:
90/95/100 percent bonus to the Recovery speed.
Unlocks the Self-Recovery ability, allowing you to fully recover from the Dying State.
You can only bless one Totem at a time.
All equipped Boon Perks are active on the same Boon Totem.

After performing a rushed vault, break into a sprint of 150 percent of your normal Running Movement speed for a maximum of 3 seconds.
Lithe causes the Exhausted Status Effect for 60/50/40 seconds.
Lithe cannot be used when Exhausted.

When you unhook a Survivor, the rescued Survivor benefits from the following effects for 4/6/8 seconds:

Scratch Marks and Pools of Blood are suppressed.
Additional 7 percent Haste Status Effect, boosting their Movement speed.
Guardian reveals the Killers Aura to you for 8 seconds.