The rules are 5.2, though the rules have not realy changed much from earlier versions. Rules from Palladins will likewise be usable. However there are a few rules that makes little or no sense, and this is where house rules come into play.
Having weapons break alle the time, or just dropping them, is too unhistorical. Thus we will use a set of rules from the Cypher system.
Sometimes you get that +5 modifier and it feels like insta-win. In opposed rolls it can get even worse. The rules are from “the Sorcerer’s Scroll”
Just to keep shields and helmets interesting.
More like a clarification.