A Flawless Fake-Death Plan, Haggard Professor Snape!

"Of course," Linley said softly. "You may also refuse. We have no reason to ask this of you, after all..."

Before Linley could finish, Snape interrupted him and said flatly, "No need to say more. I agree."

Linley nodded slightly, then looked at Professor McGonagall. "To ensure this fake death is flawless, we will seal our memories. We will deceive heaven and earth, deceive the world, and deceive ourselves."

"But before that, we need a 'keeper.' She will safeguard our memories and become the only 'Sober Person' walking this world. Of course, that also means there will be more things that cannot be spoken of."

Linley spoke calmly.

As she listened to Linley's plan, a trace of heartache flashed through Professor McGonagall's eyes. She understood what Linley's plan entailed, and what becoming this so-called "keeper," this "Sober Person," would mean. Yet she did not hesitate.

Professor McGonagall nodded firmly. "I am willing to become the 'keeper.'"

Linley nodded slightly and looked at the hesitant Dumbledore. "And what about you, Professor Dumbledore?"

Upon hearing Linley's words, Dumbledore finally stopped struggling with himself. "I agree to this plan."

"Then," Linley said, waving his Wand and moving the furniture and decorations in the Headmaster's office aside to clear an open space, "please sit cross-legged in the center of the formation."

Countless golden threads continuously intertwined within the small Headmaster's office, forming the Time Stop Formation. This massive Alchemy Formation stood at the very center of the office, enveloping Dumbledore within it.

With a sweep of his left hand at his waist, Linley produced a Time-Turner with some of its Sand of Time missing.

This Time-Turner was the one they had shattered while saving Astoria. After resolving the crisis of the Blood Curse, Linley repaired it and stored the remaining Sand of Time back