RPG Mechanics Below is a listing of the different mechanics and rules we used and created to adapt the following fandoms into the Unisystem gaming mechanics. Buffy the Vampire SlayerBuffy TVS Items Buffy TVS Qualities Buffy TVS Spells Star WarsStar Wars Force Abilities Star Wars Qualities Star Wars Weapons Harry PotterHarry Potter Items Harry Potter Potions Harry Potter Qualities Harry Potter Rules Harry Potter Spells