Undetectable Extension Charm! This is a treasure of an old man!
"What is that look in your eyes?"
Grindelwald eyed Karl askance, why did he feel a chill down his spine?
"Nothing! Just wanted to ask if Headmaster Dumbledore has arranged another position for you?"
Hearing this, the old man was silent for a moment, "Vegetable garden caretaker."
Karl: （w）☆ "Pfft!" No! Couldn't hold it! Did Grindelwald take on Thanos's script? Hahaha!
"What are you laughing at?"
"Not laughing! The weather is too hot! I'm letting my teeth out to get some air!"
Grindelwald gritted his teeth, grabbed the suitcase, and turned to leave. Hagrid had already built a small wooden hut by the vegetable garden next to the Black Lake, which would be his future residence.
"Old man, wait for me! You promised to teach me Apparition!"
"I'm not teaching it anymore!"
"Don't say that! I apologize, and can I help water and fertilize the vegetable garden?"
"Well—"
Grindelwald was a bit tempted. After all, he was once the leader of the Wiccan Purity Party, whose reputation was enough to stop a brute from crying at night. If people he knew saw him planting vegetables, he felt he would lose face.
"Can you teach me the Undetectable Extension Charm while you're at it? Of course, if you have other Charms, I wouldn't mind. Teaching such an excellent student is better than taking them to the grave, right?"
As soon as Karl finished speaking, he was blasted by the old man: "You Voracity Little Bastard! Where on earth did Dumbledore recruit you from? Hogwarts is doomed sooner or later!"
"Hey! You insulted me and the school! Just wait, I'm going to report you! I'll have Headmaster Dumbledore uphold justice for me!"
Grindelwald: （…） This brat! Did he cast a Shield Charm on his face? Why is it thicker than the Castle walls?
"Apparition is actually divided into three stages: Phantom, Shift, and Manifest."
"That is, first disappear from the current location, then move through space, and finally manifest at the destination."
"Throughout the whole process, the most important things are target, determination, and composure."
"You must concentrate and clearly imagine the destination, be determined to go to the intended destination, and maintain composure."
"Remember, if there is any mistake, it will lead to splinching, serious injury—or even death."
Outside the gates of Hogwarts, Grindelwald was teaching Karl to learn Apparition.
Karl learned with extreme seriousness, because he wanted to be a summoner who possessed Flash.
"Besides that, the feeling of using Apparition is even more uncomfortable than Floo Powder and Portkeys."
"Next, I will use Side-Along Apparition to let you experience it. Do you see that tree?"
Grindelwald grabbed Karl's arm and suddenly pointed into the distance.
Karl looked in the direction of Grindelwald's finger, "Which tree—ah!"
Accompanied by a slight cracking sound, he instantly fell into darkness, his body subjected to intense squeezing from all directions, and he actually felt like he couldn't breathe.
"Whew!" Karl leaned against the tree in front of him and took a deep breath, "That's a bit exciting!"
Grindelwald smiled maliciously, "It's fine, you'll get used to it after a few more times."
"What? That's not necessary! Wait! I'm not ready yet—ah!"
Cracking sounds rang out one after another, and Grindelwald recalled his duel with Dumbledore back in the day.
Back then, they had constantly used Apparition; thinking about it now, it really made one nostalgic!
Grindelwald shook his head, stopped, and let go of Karl, "How do you feel?"
"Ugh—"
"Hmm? Brat, what are you doing? Who vomits from Apparition?"
When Professor McGonagall saw Karl again, she found that her little cat was a bit listless.
"It seems Professor Gott Green has finally found a way to fight back, and the effect is quite good."
"Minerva, whose side are you on? And when working, you must use titles; the old man is now a vegetable garden caretaker."
Professor McGonagall smiled helplessly, "Alright, come with me to the Owlery to send letters?"
Karl immediately perked up, "Let's go!"
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