Thank you very much for the feedback!
So, let's assume your party of 4 Exiles come to the bottomless pit and decide to jump over. You say that's a 6+ They choose to try and make a ladder — you wouldn't roll for that, you'd just maybe adjust the difficulty to 5+
Then, do you make a single roll for all 4 Exiles, or do you have each Exile roll for themselves?