The only way you get banned using AHK is having your account flagged for botting suspicion and a mod checks on you and catches you botting. None of my accounts have been banned from botting NMZ because you can't get reported inside the NMZ instance. So all you have to do is not bot inhuman hours and you won't get flagged. Personally Ive never went over 16 hours and even then I would take 1-2 hour breaks between resetting to avoid suspicion