It’s been an illuminating week for Harry Potter fans. After tweeting an explanation on Monday of why she killed off fan-favorite character Remus Lupin, J.K. Rowling took to Twitter again to comment on a theory regarding Albus Dumbledore’s life prior to the series’ beginning.
The theory in question was tweeted at the British author on Wednesday and posits that Dumbledore’s extreme aversion to horcruxes was due to his regret over making one of the dark objects himself. In a video justifying the claim, YouTube user Jonathan Carlin argues that Fawkes the Phoenix was not just a pet, but rather a horcrux created by the headmaster to extricate the part of his soul that felt guilty over the death of his sister.
Read More: J.K. Rowling’s 10 Biggest Harry Potter Revelations
However, Rowling was quick to make her feelings on the topic clear. “The idea that anybody believes this is strangely upsetting to me,” she tweeted.
More Must-Reads from TIME
- Welcome to the Noah Lyles Olympics
- Melinda French Gates Is Going It Alone
- What to Do if You Can’t Afford Your Medications
- How to Buy Groceries Without Breaking the Bank
- Sienna Miller Is the Reason to Watch Horizon
- Why So Many Bitcoin Mining Companies Are Pivoting to AI
- The 15 Best Movies to Watch on a Plane
- Want Weekly Recs on What to Watch, Read, and More? Sign Up for Worth Your Time
Write to Megan McCluskey at megan.mccluskey@time.com