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Pallet Bug with Iridescent Button
Going into Frenzy and vaulting a pallet at the last second with precise timing after getting blinded from a flashlight (A.K.A. The Forbidden Legion Tech) will break the pallet from the killer's perspective but not for the survivor.
Once this happens, survivors can still interact with the pallet (vaulting, resetting with the perk any means necessary, throwing the pallet after resetting), however the killer on the other hand can NOT interact with it, you can't break it or vault it while in Frenzy which makes certain obstacles like Killer Shack to be impossible to catch the survivor.
This happened to me in a public game, but I had someone in my friends list to help me replicate this so I can report it asap.
Requirements:
For Killer, you must be playing "The Legion" and running the "Iridescent Button" Addon
For Survivor, you must have a Flashlight, Flashbang, or Firecracker for your Item.
Example.