Red Stain

"The first time that I spotted this reddish fire burning on the ground, I thought I had finally reached the doorstep of insanity. But I was wrong. After several encounters with this burning fire, I managed to tie it to the killers. Somehow it gives me hope as one can manage to avoid them if you see this burning warning. Maybe giving me hope is its purpose?"

- Benedict Baker

The ''' is a Game Mechanic integral to '.

Overview
The , as it was dubbed by Benedict Baker, is an ominous red glow all Killers emit from their head and illuminates their surroundings right in front of them.

The Stain
The  an integral Game Mechanic that intends to betray a Killer's location and movement direction to the Survivors when in close proximity to them, as they can see it edging out from around corners even if they cannot see the Killer yet, allowing them to adapt their jukes accordingly. However, an adept Killer can also use this behaviour to their advantage and momentarily hide their  by walking backwards or sideways around corners or walls in order to try and trick the Survivor, potentially catching them off-guard.

Visibility
The Killer cannot see their own Stain, with the exceptions of it sometimes being reflected off of their Weapon under specific circumstances.

Survivors are constantly able to see The  on the floor in front of the Killer, unless it is hidden by the use of cloaking-Perks or Powers.

Unlockables can be used to change the behaviour of The :

Hiding the Stain

 * The  Status Effect used by some Unlockables will hide The .

Audio Cue
As soon as a stealthy Killer starts to move again, thus cancelling the Undetectable Status Effect, a loud sound cue titled "Stinger" plays to warn Survivors:

Trivia

 * Up until Patch 2.4.0, Killers would see their own Stain during the initial camera panning when loading into a Trial. That is no longer the case.
 * It is suspected that the intensity of The  is directly linked to the range of the Terror Radius the Killer has, meaning that Killers with a shorter Terror Radius have a fainter Stain and Killers with a larger Terror Radius have a stronger Stain.
 * It is also suspected that The ' works as means for The to watch over the Trials directly through the Killer's eyes. An indication of this being the case is the description of, as The ' is hidden because the Killer momentarily loses their connection to The Entity and is "free to roam".

Der Fleck La Marca