The worldbuilding of the Harry Potter universe is expansive, and there are so many aspects of the wizarding world that are only briefly touched on in the story. Harry meets a wide variety of different wizards throughout his adventures, some of whom have special powers that are outside of the norm for wizards. There are wizards with unique inherited powers, as well as those who work to perfect specialized forms of magic. What exactly are these sub-groups of wizards, and which characters from the Harry Potter series practice these alternative types of sorcery?