"Why do you say that? Does Resurrection Cage Grass take a long time for its magic to work?" Sean asked curiously.
Neville thought for a while before replying uncertainly, "I'm not sure exactly how long it takes. Resurrection Cage Grass is genuinely rare; even Professor Sprout has only seen a dead specimen. But I once read notes left behind by a master herbologist. He mentioned personally witnessing a severely injured Occamy crawl into Resurrection Cage Grass. After a full day had passed, the Occamy's injuries were completely healed, and it seemed to have shrunk slightly—he speculated that the Resurrection Cage Grass healed its wounds, but because it took too long, it also reversed the Occamy's growth state."
He looked at Sean in surprise again. "Mate, you don't seriously think those snails were wrapped in Resurrection Cage Grass, do you? Merlin, that many portions of snails—even if only part of their state was reversed, it would still take at least dozens of minutes. Once Resurrection Cage Grass reaches maturity, its leaves aren't even that large. And such a rare plant was used for a prank?"
Sean took a sip of milk. "But isn't Resurrection Cage Grass the only explanation for those snails?"
"Er, that's true, but it can't be possible."
"You won't know unless we try..."
After leaving the first basement level, Sean headed toward the Great Hall.
After Potions that morning, he had gone to Snape's office—as requested.
Naturally, he couldn't escape a round of sarcastic remarks. But Sean felt that if enduring a few barbs could get him this much stuff, he was willing to be mocked every day...
As a pragmatist, when Snape said, "Your Thick Mud Potion looks like Troll snot," and then handed him a premium potion he had brewed himself, Sean decided that everything