Stairs are especially glitchy for me when I do harry potter, I rubberband like crazy, not sure if its the champ or what but I am always on 1.8.9. On regular maps when I'm more casual I dont have a problem though
My least favourite champ map would have to be mp as well, partially because its new but also the way the parkour winds up and down and is super inconsistent makes it a horror to speedrun.
That being said, heres my personal list of best to worst champs
1. Aquatic Adventure (sue me there are 3...