The other effect seems more random or at the very least once every couple floors so far is some kind of double jump. When she makes a beeping noise give gives a double jump effect (no idea if it's to a random person or to everyone though seems to be the former)
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Though it is possible to get Folly in after Melanie is in the elevator where she has a scared look on her seeing the recent updates on her wiki in fandom
but no jkjk, I just more didn't have an account until today so I can't throw the info there
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