After triggering your third Protection Hit, Mettle of Man activates:

While injured, Mettle of Man shields you from going down the next time you take damage.
Healing back to full health will reveal your Aura to the Killer whenever you are farther than 12/14/16 metres from them.
Mettle of Man deactivates the next time you are put into the Dying State.

Increases the odds of becoming the Killers initial Obsession by +100 percent.

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

Receive an auditory warning upon looking in the Killers direction within a 45 ° cone within 36 metres.
Premonition has a cool-down of 60/45/30 seconds each time it activates.

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.

Unlocks potential in your Aura-reading ability.
The Auras of Breakable Walls, Pallets, and Windows are revealed to you within 24/28/32 metres.