Oh, you didn't ask someone to help you secretly buy explosives?"

Dumbledore raised an eyebrow and glanced at Elena playfully, unable to help but laugh with anger.

"Then how do you explain that this explosion that happened tonight can blow up half of the history of magic classroom, I don't know what kind of mood Professor Binns will be in when he starts class tomorrow!

The old wizard shook his head noncommittally, and as he spoke, his tone became serious again.

"Miss Caslana, it looks like you haven't fully realized your mistake - stealing forbidden items and tricking your classmates into dangerous magic experiments, and if you really have to settle accounts according to the school rules, you may have to spend the semester in confinement. If a similar situation occurs again, or even a temporary suspension or expulsion, it is possible!"

Although Dumbledore somewhat approved of some of the girl's practices after Elena's explanation, this did not completely offset the dangers of her actions and the dozens of school rules she had violated in the process.

The most important thing is that at this time, you still want to quibble?!

Elena Kaslana, the little guy with a lot of rhetoric...... Do you really think he doesn't know anything about the non-magical world?" Professor Dumbledore's blue eyes flashed with amusement and nostalgia.

Admittedly, he may not know much about some non-magical common sense, customs, or detailed scientific theories, but thanks to Grindelwald's deeds and the terrible war that spread all over the world, at least Dumbledore still knew a little about the existence of bombs, gunpowder, guns, planes and tanks.

If he had known in advance that Elena wanted to purchase such dangerous goods from the non-magical world, Dumbledore would have successfully prevented them before the order was sent - at least, Dumbledore's impression that those dangerous goods had never appeared in the Hogwarts School of Witchcraft and Wizardry's external purchase approval form for several months.

Then there is no doubt that there is only one conclusion......

This batch of explosives that caused the castle to almost be blown up is most likely all "smuggled" into Hogwarts by Elena Kaslana through unknown channels and means, the only strange thing is that it ......

How did she hide from so many people and bring those dangerous goods into the school?

"That's ...... Hmmm......"

Elena opened her mouth, and was about to explain the ins and outs, when suddenly her heart sank.

Wait, Professor Dumbledore seems to have misunderstood something?

In that case......

The white-haired dumpling's eyes flickered, and he quickly closed his mouth, subconsciously weighing in his mind whether to be scolded hard-headed, so that at least he could save a little bit of the revolutionary fire of the next secret experiment or trouble.

Nitric acid is a very important chemical reaction ingredient and is used in many basic chemical experiments in addition to explosives.

However, at this moment, a simple voice sounded in the girl's ears.

"I testify that Elena definitely didn't secretly buy any explosives!

Looking at Elena who fell silent, Hannah Abbott took the initiative to raise her hand and plucked up the courage to look at Dumbledore.

A touch of warmth appeared in Elena's heart, and she turned her head to look at Hannah, but she didn't expect that the first person to stand up to help her at this time was actually the usually silly little iron girl - but this is not surprising, after all, she is a real Hufflepuff, and one of Hufflepuff's traditions is to value friendship.

[Don't worry, Elena, we're friends!]

Hannah gave the white-haired dango in front of her a look back, a reliable smile, and continued.

"I can testify that Elena did not procure any prohibited dangerous goods ......from the beginning to the end!

“？！”

The silver-haired little witch was slightly stunned, and looked at the resolute little iron girl with a dull expression, and a hint of foreboding suddenly appeared in her heart, according to this situation, it seems that the next sentence should be......

Sure enough, before Elena could cover Hannah's mouth, the girl quickly showed her first "dagger".

"Because, these days, the materials we have been doing experiments in the castle are all taken from some common materials that can be found everywhere in the school, such as the nitrate, nitrate, and ...... from the school infirmary."

Hannah wrinkled her face in anguish, her little face flushed - she wasn't a top student like Hermione, she was on the verge of collapse just by reciting those glycogen concepts and ATP conversion equations every day, and she couldn't remember anything else.

"Stupid Hannah, it's nitroglycerin!"

Hermione glanced at the little iron girl who was suddenly stuck, sighed helplessly, and took the initiative to explain.

"One of the main ingredients of the medicine used to treat angina pectoris, which is also the main formula for the explosives invented by Nobel. In addition, ammonium nitrate fertilizer, which is used to fertilize vegetable fields, can also be used to create similar unstable explosives when mixed with wood chips and other materials after frying. ”

Elena: "???"

It's not enough to have Tie Hanhan in the back, Hermione Granger, you actually came to make up for it?

Aren't you two really spies sent by Dumbledore?!

If she had known that these two would jump back at a critical time, Elena should have been ruthless before, and sealed the mouths of these two little guys in advance, so that they couldn't say a word, as for now......

"Oh, so is that?"

The corners of Dumbledore's mouth lifted slightly, revealing a smile of relief, and whispered thoughtfully.

"Sure enough, Miss Caslana, the new purchase you submitted last week is for these things, isn't it? Helping me with angina and fattening up the school land are all excuses for the purpose of making explosives. ”

"Professor Dumbledore, don't blame Elena alone, proposing to mix ammonium nitrate fertilizer with nitroglycerin, and calculate the appropriate proportion, mainly I am in charge, if you want to punish us, please punish us together. ”

Hermione clutched the corners of her clothes with both hands, and with a determined expression, she took the initiative to step forward and stand beside Elena.

Elena stared blankly at the calculator who seemed to be about to die heroically, Dumbledore was almost fooled by her to forget about punishment just now, is this spirit of death the traditional curse of Gryffindor House?!

Luckily, Luna cutie from Ravenclaw House didn't ......

"That's right, Sister Elena didn't fool us!

Luna nodded, took out a folded stack of formulas and scratch paper from her arms, and placed them in front of Dumbledore to prove that she was also involved in the whole experiment, and there was no hint of backing down in her eyes.

Looking at the pages detailing all the experimental records of these days, including the parameters of the explosives, as well as the detailed raw material sources and amounts of scratch paper, Elena fell into deep self-doubt......

Since when have Luna's little angel's wings turned black?

All the ghosts!

These little wings of his own, one by one, are really all spies sent by Dumbledore and Grindelwald, right?!

"So, you've done a lot of trials with different doses before......"

"Don't be in a hurry, speak slowly, does this value mean the ratio of sawdust......"

"Well, I'll seriously consider what you said......"

Listening to the girls' words and my justifications, the smile on Dumbledore's face became more and more strange, nodding his head from time to time, occasionally asking a question or two, and the atmosphere was peaceful and quiet.

“......”

The corners of Elena's mouth twitched, and her hands and feet watched coldly as the old radish expertly tricked the words of the ignorant maidens.

Compared to a spicy carrot essence in his hundreds, Hermione, Hannah, and Luna were too shallow, and in less than ten minutes, they explained everything completely under the guidance of Dumbledore.

Even the [Mixed Spell of Corrosion Spell and Concentrated Acid], [Harmony Test of Petrification Spell and Paralyzing Potion], and [Non-Open Fire Continuous Test of Fire Spell] that Elena wanted to do in the future...... A series of plans have also been shaken out.

It's simply ...... What a wickedness!

Looking at Dumbledore with an increasingly weird smile on his face, Elena felt that her whole person was not good.

She finally understood why Dumbledore had made a point of asking the four of them to come to the Headmaster's office to report on the school's broadcast before, and it was all in your plan?!

Albus Black-Hearted Maggot, Spicy Old Radish, You're Waiting for Me, Dumbledore!

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(Mayay!)