After cleansing a Totem, Overzealous activates:

Increases your Repair speed by 6/7/8 percent if it was a Dull Totem.
Increases your Repair speed by 12/14/16 percent if it was a Hex Totem.
Overzealous deactivates when losing a Health State 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.

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.

Every 15 seconds you are within the Killers Terror Radius, while not being chased, Stake Out gains 1 Token, up to a maximum of 2/3/4 Tokens.

When Stake Out has at least 1 Token, Good Skill Checks consume 1 Token and are considered Great Skill Checks, granting an additional Progression bonus of 1 percent.
Great Skill Checks do not consume any Tokens.