The castle was quiet in the dead of night, and the three people crammed beneath one Invisibility Cloak had no choice but to move slowly.
On their way to the fourth floor, Harry, Ron, and Hermione encountered no trouble apart from Filch's cat—Mrs. Norris, who had grown suspicious of the noises they made while walking and followed them the entire way.
In the end, thanks to Harry's magical Invisibility Cloak, the cat could not see anyone at all. Perhaps thinking that some invisible ghost in the castle was causing the disturbance, Mrs. Norris eventually shook her head and wandered off, allowing the three of them to breathe a collective sigh of relief.
Soon after, with nothing unexpected happening, the three reached the corridor on the right side of the fourth floor. At a glance, they saw the wooden door that someone had opened at some unknown time, now hanging half ajar.
Seeing this, Harry, Ron, and Hermione became even more certain that they had guessed correctly and had come here tonight for the right reason!
Because, in their opinion, someone with ill intentions might already have gone inside—or perhaps had failed and left?
But no matter what, they had to retrieve the Philosopher's Stone as quickly as possible. Otherwise, the consequences would likely be disastrous and impossible to predict.
And so!
Led by Harry, Hermione and Ron did not hesitate for long before following him inside. After using the method they had learned from Hagrid—blowing his flute—the three-headed dog soon swayed and collapsed onto the floor, fast asleep.
The three hurriedly took the opportunity to open the Trapdoor guarded by the three-headed dog and jumped down one after another. They soon landed on a vast patch of soft Devil's Snare vines, which nearly strangled them to death!
Fortunately, Hermione, the