Hi, Braveheart is kind of notorious for being inaccurate. You might find these posts of interest. If you have follow-up questions for any of the users, ask here and tag their username to notify them.
How historically accurate is the movie Braveheart? Who was William Wallace really and what did he do?
I was just rewatching Braveheart and now I'm wondering... were kilts as common as every movie about Scotland seems to suggest?