Just like a replay of the orphanage incident, students from Gryffindor, Ravenclaw, and Hufflepuff were successively caught up in all manner of serious incidents.
At least, in the eyes of the young Dumbledore, the mastermind and instigator behind these accidents was most likely Voldemort, the leader of the "Knights of Walpurgis."
Yet he faced a situation similar to Mrs. Cole's. Voldemort had covered his tracks too well, and he had no way of finding conclusive proof that Voldemort was responsible.
After Voldemort entered his fifth year, these malicious incidents reached their peak.
He used his Parseltongue to open the Chamber of Secrets. Not only did he kill Myrtle Warren, but he also used that death to create his first Horcrux.
After the uproar over Hogwarts' possible closure, both Voldemort and his "Knights of Walpurgis" fell silent, and the various malicious incidents temporarily subsided.
Perhaps the only change in Voldemort was an additional ornament on his hand: a gold ring set with a black gemstone.
Dumbledore spoke. "That is the target of our visit..."
Wizet considered the timing in his memories. "Headmaster Dumbledore, was that a trophy Voldemort acquired during the summer holiday?"
"Yes..." Dumbledore replied. "I found related memories from someone else, but they are incomplete. You'll need to wait a moment."
His voice and figure vanished together. In the blink of an eye, the surrounding scene changed from Hogwarts Castle into a house.
The house was even filthier than the Leaky Cauldron. The floor was covered in black, viscous stains, thick cobwebs draped from the ceiling, the food on the table had gone moldy, and the utensils were crawling with rust.
Only one man lived there. His tangled hair and beard formed a mask that concealed most of his face, making it impossible to tell whether he was conscious