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 retrieving an Item from a Chest, there is a chance an Add-on will be attached to it.

100 percent chance for an Add-on of Very Rare Rarity or lower.
10/25/50 percent chance for a second Add-on of Uncommon Rarity or lower.
Ace in the Hole allows you to keep any Add-ons your Item has equipped upon escaping.

Increases your Repair speed by +15 percent for each other Survivor within 4 metres of your location, up to a maximum of +45 percent.
This effect is also applied to all other Survivors within that range.
Grants 50/75/100 percent bonus Bloodpoints for Co-operative actions.
Survivors can only be affected by one instance of Prove Thyself at a time.

Increases the Success zone of Great Skill Checks while Repairing and Healing by 10/20/30 percent when in the Injured State.