This activity was very novel, attracting many magicians and scholars from all directions. They took out their precious books and secret collections, hoping to become a member of the library and enjoy the privilege of reading.

As time went by, the library had more and more books, and the types became more and more complete. After thousands of years of development, when Jia Lan was in charge, the library had already had three million books, which was huge.

However, the library did not have a special name at the beginning. Later, in order to commemorate the founder, Colan di Sivis, everyone called the library located in his castle "Colan Castle Library".

"Colan Castle Library" not only has a large collection of books, but also developed into a big city with it as the center. Its function is not just to store books.

Many magicians and scholars gathered here and founded twelve affiliated colleges, specializing in teaching knowledge in different fields for those who seek knowledge to learn.

In these colleges, there are no "teachers" and "students" in the traditional sense. Everyone is a magician and scholar who volunteered to give lectures, discuss and study with each other. As long as you have unique experience and are willing to share, you can become a lecturer.

Sometimes, the person standing on the podium may be just a low-level magician, while the one sitting below may be a mid-level or high-level magician. This is in line with the Donglu proverb: "The one who knows the business is the teacher".

Therefore, in this strong academic atmosphere, every knowledge seeker who comes to "Kolanburg" is thirsty for knowledge, and there is no need for exams or credits to constrain them.

Of course, most of those who can enter the "Kolanburg Library" to study are qualified magicians and scholars, not those who know nothing about magic.

These affiliated colleges are more like "academic research institutes" than places for teaching.

Unlike the "Kolanburg Library" which is operated by donations, the "Kolanbang Public Magic University" makes money by collecting tuition fees, which seems to be much more utilitarian. They use "credits" to eliminate those students who "occupy educational resources" in order to recruit more new students.

In this university, only those who get enough credits can be promoted. Therefore, low-level magic apprentices have to spend more money to listen to lectures by magic professors to obtain knowledge that cannot be learned in class, so as to get a few more points in the final exam.

Although it sounds a bit strange, for most ordinary magic apprentices, the knowledge learned in class is indeed not as profound as the knowledge bought with money. This is the difference between "ordinary consumers" and "high-end consumers".

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No wonder students are so obsessed with credits. After all, it is much cheaper to earn credits by physical labor than to pay for lectures.

The notice that Jia Lan asked the girl to post quickly attracted many magic apprentices who wanted to earn credits, including middle and high-grade "main department" students.

What surprised Jia Lan was that compared with the senior students, the way the junior students cleaned was simply too old-fashioned.

For example, a water magic apprentice summoned a water ball as a mop and let it roll on the ground, and the dust was picked up by the water ball. After the water ball mopped the floor, a fire magic apprentice used the fire element on his body to dry the ground to prevent the books from getting damp.

On the grass outside, a group of junior wind magic apprentices used wind blades to cut the weeds off at the roots. Then, a senior wind apprentice summoned a small whirlwind, which rolled up the grass on the ground and automatically spun it into the trash can.

There was even a wood magic apprentice and an earth magic apprentice who worked in perfect harmony: the earth magic apprentice buried the weeds in the ground, and the wood magic apprentice made the bare ground grow neat grass.

Finally, a student studying fire magic threw a dark red fireball as big as an egg into the already full trash can. Soon, thick smoke and flames came out of the trash can, burning all the garbage inside to ashes.

Then, a student studying water magic called out a stream of water, washing the stone trash can inside and out, and wiping off the black marks left by the fireball. Finally, he crawled into the sewer as flexibly as a snake.

Jia Lan was stunned. He had never seen magic of this era before, so he was really shocked when he saw the fire student throwing the fireball!

In the magic world, although the "spherical" spell is not a very advanced spell, it is very difficult to make a spell into a stable spherical shape and let it fly out to burn things and explode and splash everywhere because of its great destructive power. Ordinary apprentices can't do it at all.

Jia Lan knows that the most basic fireball spell must be reduced from the 3rd-level "fireball spell" to the 1st-level "secondary fireball", and the "secondary fireball" cannot explode and splash everywhere.

The 3rd-level spell is already mastered by very high-level magicians! But these students who look like they are just getting started have actually learned the spherical fire spell. Could it be that their magic level has surpassed that of ordinary junior magicians and is about to catch up with intermediate magicians?

Jia Lan couldn't believe that the magic of these students was even more powerful than that of the junior magicians of his time. Then wouldn't the advanced magicians of this era be almost the same as the super wizards of his time?

"This doesn't make sense!" Jia Lan rubbed his eyes and thought he might have seen it wrong. He stared at the fire-type students who were having fun for a long time before slowly relaxing.

It turned out that these students were not as powerful as he thought. It was his own thoughts that misled him.

The reason why "Fireball" is a level 3 spell is mainly because of its stable structure, wide range, and great power. Even the most basic "Fireball", a small pea-sized fireball, has a range of 400 feet and an explosion range of 40 feet.

The temperature of the flame after the explosion is high enough to melt metal, about 1000℃, and it cannot be extinguished even with water. Whether in water or in a place without air, it can keep burning until it burns out.

So when Jia Lan first saw the fire-type student setting off a fireball, he instinctively thought it was the powerful "arcane fireball" he knew, and it was so big. He almost thought that the student was going to blow up the library!