If the player press the skill button right at the moment when they knock down, the player character starts to see the opposite direction until use another skill or enter next room.
Not every skill can occur this situation, only Bullrog's Turn Around Punchand Big Blast can make it happen.
Despite it does not look like a game breaking bug, I just post it here because it looks so funny 
Video :
(The bug happens at 0:02)
Steps to Reproduce
1. Equip Bullrog weapons or Shellshot Blunderbuss.
2. Activate the skill when you're about to knock down.
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