Chapter 1009: Making Things Complicated

The principle of the Marauder's Map is very complicated. Although it does not have a large search range like a Muggle's radar, it can accurately locate any target within the range.

First of all, the way it displays the name is by using soul marking magic to accurately identify the magical mark of each individual.

The reason why the SAS tactical dagger appears as Lucy is actually because Vincent created a recognizable magical mark after naming it.

Next, the map can cover any known corner of the castle because the makers adopted a spatial grid distribution when drawing it.

This was an extremely huge project. Without the Animagus transformation and the help of the school director's authority, it would have been impossible to complete the drawing during the seven years of school at Hogwarts.

Then, there is the penetration of invisibility and camouflage, which uses anti-invisibility spells and deformation identification that are more advanced than soul marking magic.

The Black family owns countless magic books, and Sirius was lucky enough to find these two magics.

Finally, by combining the Revealing Spell and the Trace Revealing Spell, you can achieve the effect of real-time display and continuous tracking.

In order to prevent a certain annoying person from knowing, the map maker deliberately set up four separate thoughts, and added anti-cracking spells and spell locks.

Once that annoying guy says the password, even if it is the correct password, he will only get false information, or even be collectively humiliated and abused by them.

Vincent frowned throughout the explanation of the principles given by Sirius and Lupin.

Being able to cast many kinds of magic without conflict on a parchment-sized map, and still be able to use it normally today, twenty years later, requires not only a high level of magic skills but also a certain amount of luck.

Vincent relaxed his brows a little, "Excuse me, how many times did you fail back then?"

Lupin took a sip of his whiskey and raised his hand to show three fingers.

"3 times?"

Sirius shook his head.

"Uh... 30 times?"

Lupin slowly put down his glass. "A full 300 times. It took us a whole year to successfully create a map."

Vincent's eyes went dark.

Although the spatial structures of the Forbidden Forest and the Black Lake are much simpler than those of the castle, their combined floor areas are several times larger than those of the castle.

In just one year, the Triwizard Tournament was over long ago. No matter how stupid the hidden Death Eater was, he should have completed Voldemort's mission and run away.

However, after more than ten years, the success rate of making a live map will definitely increase.

However, this was where Sirius and Lupin ran into difficulty. Since making the Marauder's Map was too difficult back then, they chose to divide the work and cooperate, with each of the four being responsible for one task.

Sirius was responsible for the soul marking magic, Lupin was responsible for appearance and continuous tracking, James was responsible for anti-invisibility spells and transformation identification, and Peter Pettigrew was responsible for drawing maps.

"Shit!" Vincent couldn't help but curse.

He and Hermione ignored the possibility that Peter Pettigrew had participated in the making of the map. However, if he was only responsible for drawing the map, he would not know what specific magic the map used, nor what principles were used to achieve positioning and tracking.

As long as they don't exploit low-level vulnerabilities, there are still ways to find hidden Death Eaters.

But judging from the expressions on their faces, it was unlikely that Peter Pettigrew didn't know.

"Please don't tell me that he knows..."

Sirius suddenly raised the half-full bottle of whiskey and started drinking.

Lupin smiled wryly and nodded at Vincent.

It's over. The Marauder's Map can no longer be relied upon unless a new map is created using other magic and principles.

Vincent quietly looked at the glass in front of him with only a little whiskey left.

Moody's magical eye can see through the disguise of invisibility cloaks and Polyjuice Potion, which is very similar to the anti-invisibility charm and polymorph recognition.

Even he didn't find anything, so first of all, he could rule out the possibility that the Death Eater used invisibility or Transfiguration.

The soul-detecting magic of the Marauder's Map, which can accurately identify magical marks, is indeed powerful, but it cannot identify an incomplete soul like Voldemort, or a wizard like Quirrell who has been transformed by magic.

It seems that if we want to find the Death Eater, we can only check them one by one.

“Oh… it’s so difficult…”

Sirius stood up and walked to the bar, coming to the wine rack with a wide variety of wines and carefully examining them. "It is indeed difficult to find it if it can be hidden from Mr. Moody's magic eyes."

He picked up a bottle of grass-green absinthe from Spain and raised it gently towards Lupin. "Remus, would you like to try this?"

Instead of drinking golden whiskey, drink grass-green absinthe?

Lupin shook his head and complained, "Don't you hate green the most? Doesn't green remind you of Slytherin?"

Sirius came back with the wine, "Come on, it's just a drink, why should I make things complicated."

Lupin drank the whiskey in the glass in one gulp. "Well, I was just saying it casually."

"You're making things complicated..." Vincent stood up suddenly, scaring Sirius so much that he almost hit him.

"Hey! Be careful, this wine is rare in the UK, and I've always wanted to try it."

Vincent didn't react at all, and kept muttering something like "making things complicated".

Sirius walked around reluctantly and sat back in his seat.

He got a new glass and poured some absinthe for himself and Lupin.

Just as the two were about to clink glasses to taste the wine, Vincent suddenly turned his head and looked over.

"I thought of it!"

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The sudden shout startled both of them, causing a few drops of grass-green liquor to spill onto the bar.

"Hey! Did you do this on purpose?"

"Sorry." Vincent sat back emotionally, "I have a way to find the Death Eater."

Sirius and Lupin quickly put down their glasses.

"What's the solution?"

Vincent smiled evilly, "If that Death Eater is hiding in the school, he will definitely be very cautious and pay attention to his words and actions at all times, for fear of being accidentally exposed, right?"

After getting a nod from both of them, he continued, "So the school will be safe until the second project, right?"

Sirius and Lupin looked at each other and realized what his method was.

Rather than risk alerting the enemy by screening and confirming one by one, it is better to wait patiently for the arrival of the second project.

Unless Voldemort's mission has been completed, he will definitely make some adjustments before the game.

So, as long as you are prepared to sit back and wait, you can catch the person without much trouble.

Vincent reached out and took the absinthe placed in front of Sirius and poured it for himself. "While we are waiting for the second project, we can use it to make a new Marauder's Map."

He raised his glass towards the two of them and said, "If we're lucky, maybe we can catch the person in advance."

After a "ding" sound, the undiluted grass-green wine instantly made the three of them frown.

Soon, their facial features were tightly tightened.

"Shit! What the hell is this? Why is it so unpalatable?"

"Is this wine supposed to be mixed with water?"

"I feel like my tongue doesn't belong to me anymore."

……