Obversa has a well thought out article that goes in deep to explain his idea. My theory is that Dumbledore didn’t “learn”
Category: Harry Potter

Image Source: Everett Collection By the time the Harry Potter and the Half-Blood Prince novel was released, the fourth movie (Goblet of Fire) was on

J.K. Rowling always surprises us with the amount of detail she poured into Harry Potter, and it feels like every day we learn something new