In fact, the Memory Charm was not some advanced spell.
However, the wizards allowed to use it were strictly regulated. Aside from Ministry of Magic wizards specifically responsible for erasing Muggles' memories, ordinary wizards were not permitted to use the Memory Charm at will.
Because from a certain perspective, this spell was actually rather dangerous.
Simply learning the spell was not especially difficult, but truly mastering it was nowhere near as easy as one might imagine.
That was because this spell involved the human brain.
Although the spell mainly altered memories, the brain itself was fragile.
If someone cast this spell on another person without sufficient skill, even the slightest mistake carried a high chance of causing irreversible damage to the brain.
It could even cause the permanent loss of part of that person's memory.
And that was not even the most serious consequence.
If the caster's method of invading another person's mind was too crude or forceful, it could directly damage the brain.
Put simply, when using the Memory Charm to erase someone's memories, one careless mistake could very well turn the target into an idiot.
And just as Pansy had guessed, Draco had cast the Memory Charm on the blond-haired wizards lying at his feet.
Of course, he was only erasing a short, relatively unimportant stretch of memory. Added to that, these blond-haired wizards were hardly masters of Occlumency, so Draco's casting of the Memory Charm went quite smoothly.
After slipping his wand back beneath his robes, Draco withdrew his gaze from the wizards who had fancied themselves big bad wolves. In that case, these people would not remember what had just happened.
Once they woke up, they would only think they had been sleeping on the floor.
Although everything had gone smoothly, taking care of these people without making a sound, while also doing delicate work on their minds, had still taken Draco a fair bit of effort and time.
He patted down his robes.
"I wonder how things are going on Pansy's side."
After murmuring to himself, Draco looked up toward the corner of the common room.
At that moment, Pansy had indeed already taken the Marauder's Map from Harry Potter.
...
From this distance, there was no way Draco could clearly hear the conversation between Pansy and Harry Potter.
In other words, he would have to move closer.
Just as Draco was considering whether to do that.
His ears twitched.
Sensing movement behind him, Draco suddenly turned his head.
"Someone's here?!"
As the entrance opened, the first thing to appear was a pair of cute little feet, followed by a pretty little face.
Surprisingly, the newcomer was not wearing the standard Gryffindor robes, but Ravenclaw robes trimmed in blue.
Clearly, she was not a Gryffindor wizard.
It turned out that the wizard who had appeared in the common room was Luna Lovegood from Ravenclaw.
Judging from this, she had probably come to look for Ginny Weasley.
Sure enough.
The moment she saw Ginny Weasley's back, Luna did not hesitate at all and walked straight in her direction.
It was worth mentioning that as she looked around for the person she wanted, she naturally also saw Neville Longbottom standing there, along with the "corpses" lying at his feet.
Faced with such a strange scene, even Luna, who was usually expressionless and seemed indifferent to everything, could not help showing a flicker of surprise. Her gaze even paused there for several seconds.
Normally, anyone who saw this would immediately question it and become wary. Some might even run away or report it to a professor at once.
But Luna Lovegood's reaction was beyond Draco's expectations. She merely tilted her little head in confusion, then quietly looked away.
As if the wizards lying on the floor really were only sleeping.
Perhaps, deep down, she simply did not believe Neville Longbottom could have done it.
Seeing Luna appear, Draco formed a guess. So it was Luna... Did she arrange to meet Ginny Weasley?
Luna's appearance both surprised Draco and made him relax slightly.
But in the next second.
Wait!
She was here to find Ginny Weasley?!
Others might not know, but Draco knew very well that the current Ginny Weasley was not really Ginny Weasley at all. It was Pansy in disguise after drinking Polyjuice Potion.
In other words, if Luna Lovegood, who knew Ginny Weasley very well, were allowed to approach her, it would not be long before Pansy's identity was exposed.
At that thought, Draco, who immediately realized the problem, lifted his foot without hesitation and stepped directly into Luna's path.
She stopped.
Naturally unable to simply crash into him, Luna had no choice but to halt and look at the wizard in front of her in confusion. "...Longbottom?"
Although they were not in the same year and had never interacted, she still knew who Neville Longbottom was.
After all, Neville Longbottom's absent-mindedness and poor grades had, in another way, made him rather famous.
"Um... Weasley asked me to tell you to wait here. She and Harry seem to have something important to discuss." Draco deliberately imitated Neville Longbottom's tone.
"I see."
Luna blinked. With some confusion in her eyes, she glanced toward Ginny Weasley, then looked over the "Neville Longbottom" standing in front of her.
She was a little puzzled. He did not seem quite the same as the Neville Longbottom in her memory.
She did not see any lack of confidence on his face, nor did she sense any weakness in him. After all, the wizards sprawled across the floor already explained everything.
Her ethereal eyes could not help lingering on Neville Longbottom's eyes for a few seconds. For some reason, a certain person's figure flashed through her mind.
Even though the person in front of her had his waist bent low, wore a hesitant expression, and kept letting his gaze drift uncertainly, Luna still found it strange. She could sense a trace of incongruity from him.
As if... the person in front of her should not be called Neville Longbottom at all.
...
Draco's powers of observation were quite sharp. He quickly noticed that there seemed to be something unusual in the way Luna was looking at him.
The main reason Draco did not speak up to explain himself, aside from the fact that the more he said, the more likely he was to slip up, was that Luna did not seem inclined to investigate further. She simply sat down as if she had noticed nothing.
She even nudged one of the blond-haired wizards lying on the floor with her foot.
As for that.
Although Draco was not entirely sure whether Luna had noticed anything, and although he could not read anything from her calm expression, his instincts told him that Luna would not say anything. Only then did he turn his gaze back to Pansy.
To be precise, to the map in her hand.