By the time Reiner and Claire returned to Torondo in the floatboat, and then back to Crescent Academy in a horse-drawn carriage, there was already a lot of business piled up.

First, Reiner needed to send samples of the Coke to Mercury Balance's headquarters for in-process testing, and when everything was in order, the production line was entrusted to the two alchemy workshops in the Rainbow Tower.

Second, the trial of Piram has ended, and in the final verdict, most of Piram's property has been handed over to Reiner and Antoine as compensation, and they need time to deal with the ownerless alchemy workshops.

The third point is that there are several franchise agreements signed between the Alchemy Workshops around Priest and Reiner, which involves the issue of sharing and sales network, which requires a certain amount of energy to study.

Of course, there is a fourth point, but it is Reiner's personal matter, he needs to find a time to participate in the magic assessment and obtain the rank of a ring mage, he has decided to join the mercury balance, so this matter is also a high priority.

Finally, and most importantly, the building of the Crescent Academy was to be rebuilt, and the jury would be there in a month's time, and they would not be able to see a dilapidated Crescent Academy, and the construction work could not be completed overnight, so when Coke made his first pot of gold, Reiner began to work on it.

Reiner made his way to a corner of the academy, a dilapidated tower that used to be used to teach astrological spells, but later, the school's teacher left the profession and the course was abolished, and the place gradually declined and was overrun by weeds.

"Not only is the observatory capable of teaching astrology, but it is also a magical building in its own right, and a standard-sized observatory can increase the speed of mana condensation in the area by five percent."

According to the people around Reiner, he was not tall, bearded, and looked more like a dwarf. Carat.

Unlike ordinary architects, he is responsible for the repair of magical buildings, such as alchemy workshops, stargazing platforms and other buildings not only need ordinary design, but also have to fit the flow of local magic, simply understood is to look at feng shui, so Reiner found Gro to make a restoration plan for the Crescent Academy.

"That sounds good."

Reiner suddenly had the feeling of playing a construction simulator, and he wondered if the construction of the observatory would attract an astrologer to announce that this week was Mineral Week, doubling the production of all mines.

Jokes aside, Gro told Reiner that a magic school should have at least an alchemy workshop, a stargazing platform, an elemental tower, and a nursery garden, and that if you specialize in necromancy, you need a cemetery, and if you specialize in the necromancy, you need a beast pen, and these buildings are not just ordinary buildings, but from the perspective of magic, this area can condense the magic that is suitable for the growth of mages, so that the students in the school can better draw power.

Of course, the cost of building these magical buildings is much more expensive, but fortunately, the Crescent Academy originally had these buildings, but they were temporarily abandoned, and the cost of restoration was much less.

"Don't worry, Principal Ian Gray, we'll be able to get the job done in a week at the earliest."

Gro smiled and gestured to the greenery tower.

"The way it is built here is very elegant, and I have always wanted to see the Crescent Academy up close, because it has a history of thousands of years, and these precious ancient buildings are the result of the efforts of the craftsmen of the time, and they are ......."

Boom –

A loud bang interrupted Gro's conversation, and he and Reiner watched as a puff of smoke rose from the corner of the thousand-year-old tower, and several heavy stones flew out and smashed into the ground, leaving a deep depression.

“...... It is a priceless treasure...... Ahh!!hhhh ”

Gro nearly collapsed, but he hurried forward, kneeling beside the massive stone, as if looking at a dying wounded man, and let out a low whimper.

"What's the situation?"

Reiner subconsciously touched the ring between his fingers, and although there was no other movement for the time being, he couldn't rule out the possibility of an attack.

However, in the smoke of gunpowder, a figure hurried over, and Reiner took a closer look to realize that it was a student of Crescent Academy.

Dana. Christine, a third-year student, was not one of the good grades in Reiner's mind.

"Uh, Mr. Headmaster."

The girl wore a peaked hat, curly flaxen hair, and a pair of emerald eyes with a look of uneasiness, and she looked down at Reiner with her hands pinching the corners of her clothes.

"Dana-san, what are you doing here, you are not injured, are you?"

Reiner asked, looking the student up and down, she didn't appear to have any external injuries other than a lot of dust on her robe.

"No, no, I'm not hurt......"

Seemingly surprised that Reiner remembered her name, Dana was stunned for a moment, then hesitated for a moment before continuing.

"Actually, I made this explosion."

After saying that, she immediately hugged her head and squatted on defense, worried that Reiner would teach her a lesson.

But the expected accountability did not appear, and Reiner said in a surprised tone.

"Wow, it's incredible that you could make such a massive explosion."

"Huh?"

Dana tilted her head, a little confused.

At this time, Gro woke up from the grief of the destruction of the monument, looked at the stones all over the ground, and was also a little surprised.

"You made this by yourself?"

The stones were extremely heavy, and the structure of the observatory itself was fairly stable, but now, a hole could be clearly seen in the side of the tower, which was destructive with high explosives.

And the student in front of him was nothing more than a mage apprentice with mediocre grades.

"Well, I was originally practicing magic here, but the release failed, which led to this result."

Slurring to speak, Dana pulled the brim of her hat in embarrassment.

"Do you practice magic, it's quite hard, what kind of magic do you practice?"

Reiner remembered that the third-year students had not been exposed to any offensive magic, so he was a little curious.

"Air burst, or mage's hand, or ignition?"

"Uh, it's light, Mr. Headmaster......"

Dana's brim was lower, and she didn't dare look directly at Reiner.

“......”“......”

The two were silent for a long time before Reiner asked uncertainly.

"Mr. Gro, if I'm not mistaken, the Illumination Technique is supposed to be a Zero Ring spell for lighting, and it doesn't have any offensiveness, right?"

"That's right, Mr. Ian Gray, this spell shouldn't be offensive as far as I can remember."

Gro replied, pondering the words.

"So, Dana-san, you caused such a destructive power simply by releasing the Light Technique?"

Reiner confirmed, a little incredulous.

"To be precise, Mr. Chancellor......"

Dana reminded a little timidly.

“...... This is the result of my failed spell casting. ”