After a Generator is completed, you will not leave any Scratch Marks for the next 6/8/10 seconds.

Upon completing a Healing action on another Survivor, they benefit from the following effect until the next time they take damage:

Increases their Action speeds in Healing, Unlocking, Cleansing, and Blessing by 12/14/16 percent.

While repairing a Generator, its Aura is revealed in yellow to all other Survivors located within 32 metres.
If the Killer downs a Survivor while you are repairing a Generator, you see the Auras of all other Survivors for 8/9/10 seconds.

Increases your Walking speed by 10/15/20 percent.
Unlocks the ability to see your own Scratch Marks.

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.

While standing in a Locker for 3 seconds, Head On activates:

When performing a rushed action to leave a Locker, stun the Killer for 3 seconds if they are within range.
Head On causes the Exhausted Status Effect for 60/50/40 seconds.

Head On cannot be used when Exhausted or when you have accrued Idle Crows.