Grants 3 additional Self-Unhook attempts.
Increases the Self-Unhook chance by 2/3/4 percent.

You start the Trial with a Progression penalty of -25 percent for succeeding a Good Skill Check while healing another Survivor.
Succeeding a Good Skill Check while healing another Survivor grants 1 Token, up to a maximum of 3/4/5 Tokens.
Each Token grants a stack-able Progression bonus of +15 percent for succeeding a Good Skill Check while healing another Survivor.
Suppresses Great Skill Checks while healing another Survivor.
Autodidact remains inactive while healing another Survivor using a Med-Kit.

Reduces the volume of Grunts of Pain while in the Injured State by 25/50/75 percent.
Iron Will cannot be used when suffering from Exhaustion, but does not cause the Exhausted Status Effect.

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.