I Promise, Descending AC Is Easy, and Good.

Let's say you've been given a voucher for a free flight, any ticket on the plane. There's no question that you'll usually want first class , right? The high class seat is number one in quality; the highest rank is usually number one. With me so far? Okay, awesome. ThAC0, besides being fun to say, shouldn't be intimidating. It just means, what will I need to roll to hit Armour Class 0. That's a…