If the user wants to be a fairy hunter, have them go around killing fairies and stealing their rings and gems. If they're a fairy, have them choose from the different types of fairies. There's fire fairies, water fairies, earth fairies, plant fairies, weather fairies, animal fairies, light fairies and dark fairies. Earth and plant fairies are common, fire and water fairies are uncommon, weather and animal fairies are rare and light and dark fairies are very rare. This takes place in modern time