Stories in Memory [HP Generation]

"Malfoy Manor was burned down to nothing. Many Death Eaters were burned to death among them, and the originator of all this is also missing..." This is what the Iron Triangle heard after defeating Voldemort. They didn't have much time to think about it at the time because they were too busy capturing the remaining Death Eaters and attending funeral after funeral. Naturally, I put this news in the back of my mind. Until... When they went to inspect Lestrange Manor, they discovered some unknown secrets in Miss Lestrange's room... Since then... In "The History of Magic", there is another hero from Slytherin. Next to Sirius Black's bodyless tomb, there is another bodyless tomb... Idea: A small idea that suddenly occurred to me when I got up at noon