The Cave had become a classroom, and Lockhart was far more professional than he had ever been in Defence Against the Dark Arts.
He grew positively animated as he spoke. "Ahem. It's a pity I can't demonstrate it for you myself. Then you'd know what a real Memory Charm looks like, my boy."
Will sat cross-legged on a flat rock opposite Lockhart. His Silver-Gray eyes looked unusually intent in the flickering firelight, like two pieces of ice that swallowed the light. He held a piece of Parchment and a Quill, recording every word Lockhart said.
Will listened closely, his Silver-Gray eyes fixed on Lockhart as he rapidly connected these theories with what he already knew about Charms.
Lockhart's theoretical framework might have been built to serve his pursuit of fame, but it genuinely had its merits on a technical level. The system had confirmed as much.
[You gained new knowledge of spells. Charms experience +2]
Lockhart went on. "Sight, sound, and emotion are all linked to memory, so you have to be especially careful when dealing with them. I suggest you look into Muggle psychology. They do know a thing or two about this."
Will nodded. As a Half-blood Wizard, Lockhart had managed to draw on the strengths of both worlds—though only when it came to cultivating fame and casting Memory Charms.
"Changing a memory isn't easy, you know. You have to locate a specific stretch of time, then use a spell to 'overwrite,' 'blur,' or 'graft' the memory's contents while disturbing the overall structure of the target's mind as little as possible. There's a great deal to learn there. I wouldn't be exaggerating if I said I could write a paper on my understanding of Memory Charms and perhaps earn another Order of Merlin, Third Class." Lockhart