Comment Always wondered, though i know it may not be your particular area of the development: When deciding the rules dice related aspects of the game like damage like save DC’s damage, etc to put into the books, is that sort of thing mapped out/decided by actual mathematical modelling and probabilities tables? or is it more based on group consensus based on gaming experience?Their are mathematical underpinnings to everything in 5E. We used mathematicians on staff to make sure we weren’t building a bad rules model, but we had to balance that with the expectations of the fans and certain legacy aspects of a 40-year-old game.from discussion Chris Perkins AMA.