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.

Your presence psychically projects itself to those in danger.
Whenever another Survivor is injured, they can see your Aura when within 32/64/96 metres of your location.
You heal other Survivors 10 percent faster.

Press the Active Ability button while running to trigger the Endurance Status Effect for 0.5 seconds.
Dead Hard causes the Exhausted Status Effect for 60/50/40 seconds.

Dead Hard cannot be used when Exhausted.

Reduces the duration of your Scratch Marks by 3/4/5 seconds.
Your Scratch Marks are spaced inconsistently.