Harry understood at once. Clearly, just as Hermione had feared earlier, something had gone wrong while she was brewing the potion after all.
Although it had successfully transformed Ron and Neville, its duration had been greatly reduced.
Under normal circumstances, the potion should have lasted an hour.
Harry immediately strode over to Ron and whispered in his ear, "Ron, the potion seems to be wearing off. Hurry, let's go."
Ron froze, but still stood up immediately.
Draco frowned slightly just then. "Strange, I thought I heard Potter's voice... Crabbe, what are you standing up for?"
"I... my stomach hurts!" Ron offered the excuse offhandedly, then took to his heels.
"I'll go check on him." Neville hurriedly stood up and followed him. Harry, who was also invisible, stayed alongside them.
"You must have eaten too much. Don't stuff yourselves next time." Draco rolled his eyes, but did not pay much attention.
As for Harry's whisper earlier, he dismissed it as his imagination.
"Hey, the washroom's over there. Why run all that way outside...?" Pansy asked in some confusion as she watched the two run out of the Common Room.
"Oh, that's normal for those two, isn't it?" Draco lay back down on the sofa, unconcerned.
Although the dose Hermione had given him was very small, it had still worked. His head really did hurt a little, though only a little.
By the time Ron ran out of the Slytherin Common Room, half his hair had already turned red.
"Hermione really let us down here. How could it wear off so quickly? Did it even last ten minutes? Definitely not fifteen, right?" Ron said, still shaken.
If he had changed back inside the Slytherin Common Room and been caught red-handed, they would have been in serious trouble.
It was not that