She was crying in the ladies' toilet at the time because Ron said she didn't have any friends.
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They lock Hermione Granger in the bathroom with the Troll.
Harry and Ron didn't realise that they had just locked the troll in the girls bathroom, and therefore locked it in with Hermione who they were trying to save. Once they realised this, Harry and Ron ran into the bathroom to save Hermione.
I think the troll from enchantment
The duration of Troll - film - is 1.37 hours.
You can't. The super upgrade is suppose to troll you.