What would cause my print to mess up after 12 hours of printing fine?

4yr ⋅ ⋅

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Is this caused by under extrusion?

4yr ⋅

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Friend at work told me about his scumbag uncle and thought I should post about it on here

10yr ⋅

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What’s causing this? Printed on elegoo Mars pro. Other prints have come out fine, 2 of these have messed up in similar spots. (This one went a few layers more)

3yr ⋅

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