“ If you want to add a 'supernatural' touch to your campaign, define the rules of magic and the universe. Make your players comfortable with those rules. Then your new supernatural creatures must then break those rules.”
“ The Single creature game> Where there is only one type of Creature to fight other than humans
Werewolf> This is one I've worked on a little>there would be one common one and then regional variation
Gnoll> racial differences like humans only a little more severe.
Dragon> you could make them more common and w a lot of younger ones”