Ch. 541"Half-Blood Prince" Property, Phineas's Crucial Intelligence
Harry discovered that his Potions textbook belonged to the Half-Blood Prince, while Dumbledore showed him a memory of meeting young Tom Riddle and asked him to learn what Slughorn knew. Phineas reported their conversation to Aaron, who accepted a quest to uncover Dumbledore’s urgent need.
- Clea gave Aaron the Felix Felicis she won, and Aaron recognized Snape’s handwriting in Harry’s Advanced Potion-Making book.
- Harry learned the book’s former owner called himself the Half-Blood Prince and used its notes to improve his Potions work.
- Dumbledore showed Harry his first meeting with Tom Riddle and asked him to get information from Slughorn.
- Phineas overheard Dumbledore and Harry, then reported their conversation to the Thoughtform in Divine Thunder Hall.
- Aaron accepted the system quest to find out what Dumbledore urgently needed.