The "Goyle" Draco had mentioned was Gregory Goyle.
He was Draco's friend. Vizet did not know him well, but from the words "eating beside the cauldron," he could guess what had happened at the time.
"So..." Vizet raised his eyes slightly. "He dropped food scraps into the cauldron while he was eating, and that was what caused the potion to fail?"
"Y-yes!" Draco's voice was a little lower than before, as if he were trying hard not to laugh. "To be precise, it was jam and biscuit crumbs..."
"Professor Snape was in the Common Room at the time too. After his analysis, he determined that the potion failed because Goyle was too greedy."
"So Professor Snape punished him..." he recalled. "For the next few days, Goyle has to spend his free time in detention."
"He has to be in detention?" Vizet blinked. "It seems Professor Snape really was very angry..."
"Yeah!" Draco nodded in agreement. "I haven't seen him that angry in a long time..."
He glanced in the direction of the Great Hall. "Vizet, I'll go first, then... I still have to bring Goyle some food, so he doesn't lose his head again in Potions Class this afternoon."
After parting with Draco, Vizet and Luna kept to their original route and slowly made their way toward the Common Room.
When they stepped onto the Moving Staircase, Vizet could not hold back his curiosity. He let the parchment float up, intending to see what was written inside.
In any case, Luna was holding his hand. Even if he became too absorbed while reading its contents, he did not have to worry about bumping into anything.
What met his eyes was a passage written in a style unmistakably like Snape's way of speaking.
When mediocre fools wave their wands, they