you know you've watched a lot of pannenkoek videos when you can watch a vinesauce sm64 corruptions video and think "i know exactly what caused that random death"
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the situation in question was a random death when attempting to enter the castle; the cause is that a bit of floor collision got deleted or moved by the corruption just outside the door, but mario could still get close enough to the door to trigger the door opening animation, but said animation puts him over the missing floor, which causes death since it's out of bounds
https://youtu.be/--JX3fDqeOU?t=10044 (timestamp is important and ooh, that's actually very close to ten kiloseconds into the video)