DnD can be a cruel mistress . She can giveth, and she can taketh away. Some days you're having an amazing run where you're slaying dragons left and right, getting good dice rolls, and working perfectly with your team. On other days, though, the puzzles seem impossible, you're bickering with your teammates, and you can't seem to roll anything worth writing home about. This is the nature of any hobby . You go through periods where it feeds you creatively and you feel good at it, and other times y…