Regarding the matter of hiring little Goku as a Hogwarts Guest Professor, Dumbledore had already formed the idea while chatting with Goku yesterday. After the duel ended, he became even more firm in this thought and communicated it with the school's teachers.
Wizards could perform all kinds of magic, which was undoubtedly powerful. However, wizards also had a major weakness: their bodies were similar to ordinary humans, with perhaps only their recovery ability being slightly stronger.
Therefore, if a wizard fought an ordinary human holding a gun, the winner would be uncertain; it would depend on whether the wizard cast magic first or the ordinary person fired first.
This was why the mainstream of the world consisted of ordinary humans, while wizards needed to hide among humans without being discovered, needing to abide by the International Statute of Wizarding Secrecy.
If wizards truly went to war with ordinary humans, facing the vast number of humans and advanced modern weapons, the outcome would be hard to predict.
The physical fitness and the powerful ki magic Goku displayed yesterday happened to be able to make up for a wizard's shortcomings. Of course, his effort to improve the strength of wizards wasn't for the purpose of starting a war with humans.
His goal was to deal with the lingering spirit of Voldemort, who was lurking in the shadows and might resurrect to cause trouble at any time.
He was already old and didn't have many years left to live. Voldemort used Dark Arts to prolong his life and was difficult to kill; once he died, no one would be able to restrain Voldemort.
Although Sybill predicted Harry was the Savior who could end Voldemort in the future, if that was to be realized, he still needed to be properly nurtured. If Harry could learn Goku's abilities, the hope of completely settling Voldemort in the future would also be greatly enhanced.
Actually, if Goku were a person of this world, then with Goku around, there would be no need to worry about Voldemort. In his view, even Voldemort in his prime might not necessarily win against the current Goku. Not to mention that he would personally teach Goku magic later, then Voldemort would have even less of a chance of winning.
Unfortunately, Goku was not; he wouldn't necessarily stay in this world forever. So the safest thing was still to let the young wizards of the school learn Goku's power, cultivating even stronger wizards to deal with Voldemort.
As for evil methods like forcibly keeping Goku or forcibly seizing Goku's power and so on, it was impossible for him to do. He wasn't Voldemort; he had his own bottom line. Even regarding the matter of resurrecting his sister, if Goku was unwilling to help, he wouldn't force it.
"No problem."
Goku agreed to Dumbledore's conditions without hesitation while eating breakfast. Regarding the Turtle School's training method, Grandpa Roshi had never said they weren't allowed to teach it to others. Moreover, he had originally promised to guide Harry, Ron, and Hermione's cultivation. So naturally, there was no problem at all.
"That is truly wonderful. I will notify you after the curriculum is arranged. Regarding your salary, I will follow the standard of the Heads of the four Houses."
Dumbledore didn't expect Goku to agree so readily, so he immediately settled the matter.
"What is a salary?" Goku asked after clearing the food on the table.
"A salary is money. Money is very useful anywhere; it can also buy many good magic items."
Dumbledore discovered that Goku was too pure and didn't understand many common-sense things. So he intended to add awareness of basic common sense in the subsequent magic teaching to help Goku grow better.
On one hand, he truly liked Goku, this pure and kind child; on the other hand, helping Goku was helping himself. Only the stronger Goku was would he be safer, and be able to help him collect the Dragon Balls to summon the Dragon and resurrect his sister.
According to Goku's description, this was the second strange place he had come to through sleeping, and there was one before. This indicated that Goku might go to many different worlds in the future, and that was both an opportunity and a danger. In case Goku died in some world, the hope of his sister's resurrection would be gone.
"Oh, then when do we learn magic?"
Regarding the issue of money, Goku didn't care at all; what he cared about was magic that could improve his strength.
Dumbledore waved his hand to let the house-elves take away the plates on the table and smiled:
"We start learning now. First, we need to test whether you can learn magic."
According to Goku's description, in his world, as long as anyone worked hard at cultivation, they all had the chance to master ki for fighting. But it was different here; to learn magic, one must have wizard blood. Ordinary people without wizard blood could never learn magic. Because only wizard blood could produce magic power, and only with magic power could one perform magic.
However, he felt the problem shouldn't be big. According to his observation, the ki inside Goku's body and magic power were very similar, and there was a high probability they could be used interchangeably.
Of course, the specifics still needed to be confirmed according to the actual situation. If it didn't work, then he would have to find a way to research how to convert and use the two types of energy.
By the same token, if Goku's ki could be used as magic power to perform magic, it also meant the magic power inside a wizard's body could also be used as ki to perform moves that ki could use.
"This is your wand. We will first conduct tests starting from the simplest basic magic."
Dumbledore took out the wand found in Goku's luggage last night, handed it to Goku, and began to guide Goku in using several of the simplest spells for first-years.
First-year spells didn't require any profound magic knowledge; one only needed to recite the incantation correctly step by step and wave the wand's trajectory well to perform them. This was why some very talented young wizards, even if they had never touched magic before, could teach themselves these magics before school started.
In fact, except for a few very difficult magics, most magics could be performed as long as they were cast according to the standard. It was just that some had stricter requirements for the control of magic power output.
And learning and mastering the corresponding magic principles was for better control of magic. For example, the most basic fire-making spell, Incendio, according to the standard release method, what came out was a palm-sized flame.
But if one had in-depth research on its principles, then not only could the size of the flame be changed, but the temperature of the flame could also be enhanced. Even extended to create new spells similar to fire-snakes, fire-ropes, etc.
The Vesta Viam he created was a more powerful fire magic extended based on the fire-making spell. The creation of many new magics was also because wizards had in-depth research on the principles of a certain magic. Goku was now testing whether he could use the ki inside his body instead of magic power to perform magic, so he didn't need to understand magic principles.
"I will first teach you the Wand-Lighting Charm. The incantation is like this... you should wave the wand like this..."
According to Dumbledore's guidance, Goku waved the wand and began to recite the incantation:
"Lumos!"
***
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