Harry Potter and the Secret Treasures

Hermione’s idea was fantastic, and Evan thought it could be further improved to make the functions of these “gold coins” more complete.

Using Galleons as props for communication was for the sake of concealment, to avoid being discovered. But if the only function was to “change the numerals on top,” it was just too simple!

After Evan’s improvements, only the person wearing it could enter the Room of Requirement.

Now, in addition to being able to communicate with each other through them, as long as one party had the original intention, they could also sense that person’s location.

Moreover, each of these fake Galleons was unique; meaning only the person who owned it could use it.

If they fell into the hands of anyone else, the enchantment was lost, reinforcing the secrecy.

After the recent training session, Hermione distributed the gold coins she and Evan made to everyone.

Ron became very excited when he saw the basket at first, convinced that she was actually giving out gold.

“Hold on, Ron, don’t take it randomly. These coins have numbers on them, corresponding to each person.”

“Numbers?” Ron said blankly, “What’s that? Isn’t this a Galleon? Isn’t it real?”

“Of course it’s not!” Hermione said impatiently, “Have you ever thought why I would give you money?”

“These Galleons are our communication props for the future,” Evan explained. “I left a spell inside to make them usable only by us. The order of the numbers corresponds to the order you signed on the list. I’m the first, Hermione is the second, then Fred, George, Harry, Ron, Colin…”

A few minutes later, everyone received their own coins, flipping them repeatedly in their hands.

“What’s the use of this thing? It looks just like real Galleons.”

“You see the numerals around the edge of the coins?” Hermione said, holding one up for examination. The coin gleamed fat and yellow in the light from the torches. “On real Galleons, that’s just a serial number referring to the goblin who cast the coin. On these fake coins, though, the numbers will change to reflect the time and date of the next meeting. The coins will grow hot when the date changes, so if you’re carrying them in a pocket you’ll be able to feel them. We take one each, and when Evan sets the date of the next meeting he’ll change the numbers on his coin, and because I’ve put a Protean Charm on them, they’ll all change to mimic his.”

A blank silence greeted Hermione’s words. She looked around at all the faces upturned to her, rather disconcerted.

“Well, what’s the matter with you? I thought it was a good idea,” she said uncertainly, “I’ve discussed it with Evan, and we both think we need such a communication prop. I think, even if Umbridge asked us to turn out our pockets, there’s nothing fishy about carrying a Galleon, is there? And Evan also has made changes to them, but … well, if you don’t want to use them …”

“You can do a Protean Charm?” said Terry Boot.

“Yes,” said Hermione.

“But that’s … that’s N.E.W.T. standard, that is,” he said weakly.

“Oh!” Hermione understood what was going on, and she tried to look modest, “Oh … well … yes, I suppose it is…”

“How come you’re not in Ravenclaw?” he demanded, staring at Hermione with something close to wonder. “With brains like yours? I’ve never seen a student like you. Using such advanced spells in fifth year, very few people in the school can do that.”

“Well, the Sorting Hat did seriously consider putting me in Ravenclaw during my Sorting,” said Hermione brightly, “but it decided on Gryffindor in the end, and I think Evan is much smarter than me. He’s made more improvements to these Galleons.”

She turned to Evan, came up to him, and, when no one was paying attention, shook her little fist at him.

Then, Hermione pushed Evan out, letting this guy secretly laugh at himself at the back.

“Yeah, to enhance security, I cast a spell at the entrance of the Room. Only members carrying this Galleon can pass through, making it the symbol of the D.A.,” said Evan. “Besides that, you can also look at the back of the coin; the number there can also change. You just need to adjust it like this…”

Under everyone’s gaze, Evan changed the number to number three, which was Fred’s number.

With his movement, the back of the coin blurred, the patterns and designs disappeared, turning into a mirror-like reflective surface. Fred’s face appeared on it, staring wide-eyed at Evan inside the coin.

“Blimey … how did you do that?!”

“I was inspired by the Two-Way Mirror, so everyone can see each other using this coin for communication,” said Evan. “But this feature is still in the experimental stage; it doesn’t work if you’re too far away, and it’s only one-on-one.

If Hermione’s Protean Charm just now made them feel very powerful and incredible, then Evan’s current improvement had exceeded their imagination. They didn’t even know how Evan did it…

This was not as simple as just a Protean Charm; the difficulty was definitely beyond what could be learned at school.

If they had some relevant knowledge, they would know the preciousness of the Two-Way Mirror.

But for Evan, it wasn’t a big deal. He didn’t use any magic; it was Alchemy.

The Two-Way Mirror itself was an Alchemy product. Evan simply made many coin-sized circular mirrors, then embedded them onto the Galleons, casting the Disillusionment Charm. When needed, they would come out.

Although it was not a big trouble for Evan, others were shocked and speechless.

Everyone had already become accustomed to Evan’s formidable strength, accomplishing things that they considered miracles every now and then.

After everyone’s amazement, they began to study the coins in their hands; this was quite a good thing.

In fact, Evan had many other functions he wanted to integrate into these Galleons, like Muggle smartphones, but in the end, he wasn’t successful.

The wizarding world was lagging behind in this regard, and Muggle electronic communication devices were already developing rapidly.

In a few years, remote calling, video, and interactive features would be developed, and Muggles could use their phones for many things.

Evan didn’t know if wizards would also eventually equip themselves with computers and phones like Muggles, spending most of their time on them, gradually reducing direct communication between people, canceling the old tradition of owl post, or if they would maintain the status quo, being left further and further behind by Muggles.

In terms of the integration of magic and technology, the wizarding world was definitely not fast in following up, but it was not unacceptable to wizards.

As long as someone introduced it, everyone was still willing to try new things, such as magic radio stations, some professional mechanical equipment, etc.

In Evan’s shop in Diagon Alley, many wizards were also interested in Muggle-produced products.

However, most of them were more into window shopping than actual buying, and even if they did buy, they did so discreetly, not wanting to appear too peculiar.

He felt that after the matter of the Evil god and Voldemort was resolved, he could specialize in studying these things and use technology to change the wizarding world.

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