"Where have we run to?" Fleiger asked, hunched over and panting in horror.

"Fourth floor, near the Spells classroom." Luke replied calmly, although he too was running wildly, he was simply too physically fit for his peers and with his wizarding robes still able to continue casting the Illusionary Body spell, he wasn't worried about being caught.

"I think we've lost him." Harry said under his breath. He leaned against the cold wall and wiped the sweat from his forehead.

"Malfoy tricked you!" Hermione said to Harry, "You see? Mr Harris warned you too! Though I don't see why he would want to mess around with you! Malfoy wasn't even going to go up there and meet you! Filch knew someone was going to the prize showroom, Malfoy must have tipped him off."

Ron had to admit at this point that Hermione was right, but other than that he, like Harry, didn't want to say anything more to Miss Know-It-All.

"Vile Malfoy, I'm going to make him look bad tomorrow." Fleiger's face flushed red, even Derek Dursley was only a little physically superior, too small potatoes compared to Draco Malfoy's dastardly ways.

"How dare a few first years wander around in the middle of the night~ Tsk, tsk, tsk, naughty, naughty, you're going to get arrested." Peppy Ghost giggled happily and strangely.

This clown-like thing with a broad face and a big mouth and round bright eyes, dressed in brightly coloured clothes, a tie, a top hat, and slippers split with long slits showing off his toes was the mischievous ghost of Hogwarts School of Witchcraft and Wizardry, and his appearance reflected his true nature - which, those who knew him well would agree, was one of humour and maliciousness blended seamlessly.

Mischievous ghosts usually did not have a physical form, but this was an exception at Hogwarts, he had been around since the very beginning of the school and his love of causing mischief and mayhem had always been a major headache for the school and the students and faculty attending it, especially the administrator, Aggus Filch, as the only people who could control him at the moment were Barrow the Bloody and Albus Dumbledore.

"Get out of here, don't waste your time." Luke stopped Hermione, who was trying to plead for mercy, and pulled her forward by the hand.

"Students don't sleep!" The Peppermint immediately roared as he saw the young wizards fleeing straight away, reporting back towards his usually hated administrator Filch, "Students not sleeping, in the corridor of Spells class!"

As if they had heard Filch's footsteps, the little wizards couldn't be bothered to cover their pace and desperately fled forward until the end of the corridor.

"The door is locked ......," Ron whimpered in despair as Fleiger desperately pushed at the door, expecting to break it open with great force.

"Get out of the way!" Hermione, at this point, fell back to revealing the qualities of the owner of the Dragonheart Tendoncore wand she was using, and cleanly shook Luke's hand away from her, yelling at Fleiger to shock him, which caused Luke, who was actually preparing to cast the unlocking spell as well, to inadvertently stagger...

Miss Know-It-All drew her wand, tapped on the lock, and whispered, "Araho hole open."

The lock clicked and the door burst open - the young wizards swarmed in and hurriedly closed the door behind them, pressing their ears to it to listen for movement behind it, but they didn't notice that Luke's mind was no longer on Filch.

Peppermint lived up to his reputation as a brilliant mischievous mischief maker who never did anything proper, at this point really meeting up with the school administrator he ignored Filch's pleas, forgetting about the batch of students he had just been with, and started to take advantage of his position, pushing into the armour and floating over the old mute gun's head throwing spiders he had caught from nowhere at him, Filch was furious, but in the end he had no choice but to drink in the scolding as he fell back with his cat, and the Peppermint got even more excited and chased after him continuing to throw a messy assortment of rubbish at him.

"We should be safe." Harry let out a long breath, sliding off the door and sitting down.

"No...we're not..." twisting his head around, Fleiger's teeth clattered softly and quickly, wincing as he went to tug on Luke's sleeve out of habit.

"Ho!" Hermione let out a thin, short, but not loud scream - people often couldn't make a sound when they were scared to death.

The three-headed dog "Luwei", a creature of hell, appeared in front of them.

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They were faced with a monster of a dog, so large that it filled everything from the ceiling to the floor. It had three heads, three pairs of evil eyes, three noses - twitching and quivering in their direction - and three slobbering mouths, with drool hanging down from the yellowed teeth like sticky string.

It stood motionless, all six eyes fixed on them.

Such things were usually used by wizards as guards to guard important things, and Luke knew that all it took was music to put the ferocious beast to sleep, and although the hellish bloodline in the three-headed dog was already very thin, it still gave him a fair degree of intimidation and a faint scent of sulphur.

Underneath the three-headed dog was the plank leading to where he could get the Sorcerer's Stone, but Luke thought it was a deliberate test Dumbledore had given Harry, otherwise Dumbledore would just have had to talk directly to its true owner, Nicole Lemay, and simply destroyed the Sorcerer's Stone, why bother protecting it - and in the original storyline after Voldemort's defeat Harry Potter And the fact that the Stone was destroyed so soon after Voldemort's defeat and before Harry Potter came to his senses was enough to suggest that they had already discussed the matter, and that Nic Lemay himself had just enough of the Elixir of Immortality saved up to allow him and his wife to take care of things properly.

Luke didn't intend to spoil Dumbledore's arrangements, he didn't have the strength to call their bluff just yet and didn't need to, although he had a main plot tonight with Harry, who he hadn't seen for a long time, not to mention the fact that there were more people involved than in the original story, and Luke felt that it would be too obvious if he completely distanced himself from Harry, after all, the Old Bee was already aware of his relationship with Harry in the Muggle world. As it is now, by virtue of their own mood to participate in the appropriate good, otherwise it would be too deliberate instead of giving people have a ghost in mind like.

Father really found himself a problem ah - Luke shook his head lightly to stop the grumbling in his heart.

There was a click, and it was Hermione who turned the doorknob and opened the door. Several people quickly fled the area, thankfully the three-headed dog was chained and could only growl frantically behind them.

The four Harrys flew as fast as they could and they didn't stop until they reached the portrait of the Fat Lady on the eighth floor.

"Where's Luke? Have you guys seen any sign of Luke?" Harry asked suddenly when he reached the front of the Gryffindor common room at this point, several people looked at each other, unable to say when Luke had left.

"Don't worry, I'm sure he was still there when we left the fourth floor. With his size, he'll never get caught." Fleiger grabbed Harry who was about to turn around and go back to look for him.

Luke, who had already cast an illusion spell and left, knew that they would have no more twists and turns this night, and after seeing the mighty three-headed dog, he suddenly became very interested in magical creatures, "It's time to learn more about these weird creatures after completing the tasks set by the system."

Returning to Ravenclaw Tower without incident, on the way Luke also saw Filch who had escaped the pipsqueak's entanglements and was skulking around on patrol, "Damn, I can't believe I couldn't catch Potter even with the Slytherin student's early tattle-tale, damn you pipsqueak, there's still so much rubbish to clean up! So much armour to recover! Come on, Lady Loris, let's go back and get some tools and clean you up in the meantime..."

Looking at the hunched back of this old mute cannon and his cat covered in filth, Luke couldn't help but feel a little sorry for him at the thought of being in a magical castle but having to use muggle tools to clean it.

It was sad indeed that a man who craved magic was a born mute, perhaps he would be happier not knowing anything! Harry's Aunt Penny is also jealous of Lily because she knows about magic but can't have it. There are always underlying reasons for the distortions of human nature, and Argus Filch's harshness towards the younger wizards is rooted in jealousy, but he never dares to do so with his professors, and when he encounters them, he cowers, such as shutting up and not saying another word when Professor McGonagall calls him a "daft bastard".

Ironically, the administrator's name, Argus, was actually derived from the Greek mythological gatekeeper of the goddess Hera, who was a hundred-eyed giant that watched from all sides.

With that in mind, Luke walked back into the prize display room.

"Restore as before."

"Cyclone sweep clean."

"Clean as new."

The wand emitted a continuous gentle glow and the armour strewn about was instantly returned to its original position, the broken spears were reunited, not a trace of what had once been broken could be seen, and the dry, hard stains were blown into a heap along with all that rubbish.

"That was perfect, boy, not just for your magic, but more commendable for your character." An old voice came from behind Luke.

Luke shuddered at the sudden voice at his back, then hastily unfolded his Brain Closure spell with a dark thought in his mind, "Knew you wouldn't let Harry roam around the castle at will, everything is under your control, isn't it, Dumbledore?"

"Good evening, Headmaster Dumbledore." Luke greeted graciously without a hint of being caught red-handed.

"Good evening, boy. If I hadn't learnt of your naughty behaviour tonight from the mouth of the portrait, I would not have had the chance to see this legendary wizarding vestment on you that was popular a thousand years ago." Dumbledore held up his half-moon spectacles, the sharp, bright azure eyes behind them were penetrating.

"Yes, Professor, it is indeed marvellous, it is my treasure." Luke didn't hide the fact that clothing that would be invisible wasn't too rare in the wizarding world, and as long as one was willing to spend the money on an invisibility cloak woven with Invisible Beast fur wasn't too difficult to buy - although unlike Harry's which belonged to the Deathly Hallows Creation, with the passage of time, invisibility cloaks woven with Invisible Beast fur eventually lost their effect and became no longer invisible. "But it looks like Dumbledore knows where the robes came from?"

"It seems to me that your behaviour is even more admirable, helping the weak and not losing your compassion and mercy is a rare quality." There was no doubt that Professor Dumbledore, a man uniquely gifted with excellent insight and wisdom, saw the motivation for Luke's behaviour.