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http://dbd.game/killswitch
Killer's Aura Visible when Undetectable
Step 1 : Boot the game
Step 2 : Equip Fogwise, Alert, Object of Obsession, or other perks that show killer's aura. Alternatively, have a teammate with Kindred, or have the killer use Rancor while you are the obsession.
Step 3 : Play as survivor in a match (public or private) against a killer capable of becoming undetectable (Cloaked Wraith, Crouched Pig, Tier 1 Shape, Nightshroud Ghostface, Nightfall Dredge; or any killer using a perk or addon that allows them to become undetectable).
Step 4: Killer becomes undetectable by any means.
Step 5 : Complete any action that procs the killer's aura becomes visible to you.
Step 6: Notice that the killer's aura is visible to you even though they should be undetectable.
I observed this while a teammate was using Kindred and I was using Open Handed against a Ghostface whose terror radius disappeared but was still visible on Kindred's Aura reading while playing on Raccoon City Police Dept. East. I also was able to see his aura while he was cloaked thanks to hitting great skill checks while using Fogwise. In the next game, I was able to confirm I could see the killer's aura while undetectable as I could unmistakably see the aura of a crouched Pig while hitting great skill checks with Fogwise. Testing with other perks that show the killer's aura confirmed this bug for me.