Harry had been studying Time Magic for some time now. Initially, Roger had painstakingly guided him through it, spoon-feeding him every step.
But now, he possessed the ability to develop Time Magic on his own.
Of course, developing it was one thing, but whether it would yield results was another matter entirely.
Creating new magic was never a simple task. Not everyone had Roger's advantage, allowing for rapid trial and error.
What Harry wanted to discuss with Roger this time was precisely about the new magic he was developing.
In Harry's mind, Roger was an authority on magic.
So, when he encountered something he couldn't finalize, he habitually sought Roger's help first.
"Hmm... an interesting idea. It might actually work."
As night fell, Roger was in his laboratory, multitasking. He projected a portion of his consciousness into Virtual Reality, connecting it to Harry's VR.
His new Second Brain had achieved some breakthroughs. Roger could now perform multi-threaded thinking. Although the number of threads he could split was limited and their practicality was low, the leap from zero to one had occurred. He believed further progress wouldn't be far off.
"So, Roger, in which direction do you think I should proceed to make this magic easier to complete?"
In the Great Hall of Hogwarts Castle, Harry and Roger made eye contact.
The Virtual Reality client was no longer a public utility like it had been the previous academic year. Although it hadn't been officially released to the public, it had been personalized within Hogwarts.
Now, every young wizard at Hogwarts had their own virtual world, which they could decorate as they pleased. Harry, clearly, was particularly fond of this magical school.
Roger thought for a moment before replying, "The magic you're envisioning has no precedent. Perhaps you should look for answers in some Muggle theoretical books... Of course, I'm not saying Muggle theories are correct."
"What I mean is, magic is a miracle of the mind. You need to give your mind a clear direction, and then magic will be easier to succeed."
"'Accuracy' and 'firm belief' are both necessary conditions for magic to take hold."
Harry was lost in thought after hearing Roger's words.
The magic he had conceived was complex to implement, but simple to describe.
It could be explained in just a few words: 'Time Loop'.
During the summer holidays, due to Voldemort's machinations, Harry had been trapped in a Time Loop before the start of the school year, unable to reach the commencement date.
However, strictly speaking, that wasn't a true Time Loop, but more like a 'Forced Time Reversal Curse'.
This was because Harry had voluntarily traveled back in time during the summer to accumulate enough magical power from Love's Magic, requiring him to spend an extended period with his aunt and uncle.
His continuous travel to the past had created a sort of temporal imprint, which Voldemort exploited to inflict a severe ordeal on Harry, trapping him in it for about half a year.
But now, what Harry wanted to develop was an active Time Loop.
Harry had never forgotten his fundamental reason for choosing to study under Roger: he wanted to save his parents.
He intended to cross timelines, right under Voldemort's nose, take his parents' souls, encapsulate them in a Time Capsule, and thereby complete a resurrection ritual.
Frankly, it was incredibly difficult. Harry, having had the experience of fighting Voldemort on Christmas, was acutely aware of the gap between them.
Voldemort had been in a severely weakened state then, and Harry had been protected by Love's Magic, yet the fight had been extremely arduous. Facing Voldemort at his full strength...
Moreover, Voldemort was also researching Time Magic now. Who knew what other unexpected events might occur when he returned to that critical temporal juncture.
If his plan failed due to his own weakness or carelessness, Harry doubted he would ever forgive himself.
This had always been Harry's concern, and his previous experience had given him an idea.
If he couldn't succeed once, what about ten times?
A hundred times, ten thousand times, a million times...
If he mastered the power of a true Time Loop, would that mean he possessed entirely new possibilities?!
The ultimate outcome of the magic Harry wanted to create was somewhat akin to 'Death Return' – upon triggering a specific condition, he would be rewound to a particular temporal node.
Even though Harry had had no direct interaction with Voldemort, at this moment, their paths in Time Magic had once again converged in a similar direction.
Roger couldn't help but feel a touch of emotion.
Roger had also traveled a considerable distance on the path of Time Magic and believed such an effect was potentially achievable.
But...
"You need to be mentally prepared. This magic might not be easy to accomplish," Roger cautioned Harry.
Magic was deeply intertwined with the mind, and one's state of mind could sometimes significantly influence their magic.
It was like in the original fate, where one of the Weasley twins died, and the other, having lost all happy memories, could no longer cast a Patronus Charm.
If Harry couldn't maintain a calm mindset, it was entirely possible for him to achieve the opposite of his intentions due to haste.
"I understand," Harry replied calmly.
He knew the path he had to take, and he was mentally prepared for it.
"However..." Speaking of Voldemort, Harry remembered something.
During the Christmas Eve battle, Voldemort had used a final trump card, employing Dark Magic that nearly sacrificed Professor Quirrell to gain some power before escaping.
"Roger, do wizards have any methods of exchanging potential for power?" Harry asked earnestly.
"Why do you ask?" Roger blinked.
"Roger, you know best what I intend to do. Even I don't know what will happen when I truly return to that fated day."
"Anything is possible."
"So, to prepare for the worst, I want to have some trump cards ready, ultimate measures that might give me a sliver of hope in dire straits."
Harry's tone was heavy but firm.
He was truly willing to pay a great price to save his parents.
"...I do know some methods, but I don't think they're suitable for you," Roger said truthfully.
When Roger was organizing ancient wizarding magic and those forbidden books in the library, he inevitably came across many strange and peculiar magics.
Some of the things Harry mentioned, Roger's memory held some Dark Magic that could do similar things.
But Roger felt those magics were completely not worth the cost. The power gained after paying a huge price was, in Roger's eyes, not worth mentioning.
It was like sacrificing your limbs for a chance to slap someone across the internet through space.
"However..." Harry's thoughts had indeed reminded Roger, giving him a completely new idea about magic!
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