"Snape – before the Battle of Hogwarts, he told me of a location that he'd kept secret from everyone. No one but him and I knew about it, he said. And he told me that if he died, to go there." Malfoy pulls out a handkerchief and wets it, before muttering a warming charm. "And then he died, and I went there, and I found – fuck. I found a lifetime of memories, and a pensieve. Snape had been copying and storing his memories for decades, and I was the one he wanted to see them all."