How do ghosts exist in the wizarding world? – Starting Harry Potter https://www.startingharrypotter.com/explore/questions/how-do-ghosts-exist-in-the-wizarding-world
Ghostly apparitions are a pretty common sight in the wizarding world. In fact, the Hogwarts houses each have a ghost of their very own! But how do they come to be there? Today we explore the role of ghosts and how they exist.
A ghost’s level of knowledge and talent remains the same as when they died.