North, Arantir.

Everything is progressing according to plan, the nests of the Zela ant tribe have been established, more worker ants are hatching, and the underground passage has been dug twenty kilometers away, all the way to the mining site of Arantir. It may be that because of the previous attack of the monsters, there was a landslide in some areas of the mining area, but it doesn't matter, the Zela ant clan can be cleared out in a few days at most.

Countess Illya had recently stayed in Arrantil to pick up the pieces, which required a certain number of troops to garrison and the ability to relocate a portion of the population.

Because the land of Arrantil is fertile, while the Zela ant tribe is more underground.

Countess Illya has been in a good mood lately, and for a mature woman of her age, she still needs to enrich her life regularly, which is especially obvious when she stays with Stephen, and her life is very fulfilling.

Well. Plenum. No problem.

Wizard's Tower. Practice room.

Stephen looked at Miss Fran in front of him with a serious face, picked up a quill and wrote a small spell on the parchment in front of him, a magic pattern of the Thursilver Age, and a mysterious rune, he said slowly: "Whether it is a spell, a magic pattern, or a rune, these three are two-dimensional forms, which means that they can be completed on a flat surface. But Rune Language is different, it is a three-dimensional structure. ”

"For example. ”

Stephen raised his finger slightly, and the runes on the parchment suddenly seemed to come to life, it emitted a little faint aura, forming a dim aura in mid-air, and a little bit of silver-white metal powder flew out from Stephen's cuffs, constantly filling into the runes, as the aura emitted by the runes became brighter and brighter, the runes gradually changed from a two-dimensional plane structure to a three-dimensional three-dimensional structure.

Stephen continued, "The requirements for using Rune Words are higher. ”

"Neither the early spells nor the Chrono Age of Demonic Pattern technology could do this, so the creation of runes during the Arcane Empire sparked a technological revolution that ushered in a new system of spellcasting that made spellcasting more efficient and powerful. ”

"I'll start teaching you the more superficial runes tomorrow, and when you have mastered more than thirty-six runes, I'll start teaching you about the language of runes. ”

"That's all for today's lesson. You can go back and rest. ”

Miss Fran stood up when she heard this, gently twisted the corners of her skirt and said to a lady, "Yes." Teacher. Then I'll go back first. ”

For a young girl of her age, it really takes a lot of effort and talent to be able to reach the requirements of learning runes so quickly, and Stephen is not wrong about her, Miss Fran is indeed a very talented witch.

"Hmm. Go back and get some good sleep. Stephen smiled and stroked her head.

A wizard needs to concentrate during the learning process, which is very mentally draining, and she doesn't need to be too anxious at this age.

It is enough to improve step by step.

Laboratory.

After Miss Fran leaves, Stephen arrives alone in the lab.

"Taling 1!"

"Prepare to record data!Start testing man-made diamond experiments......"

A ball of light was suspended around Steven, countless tiny rune traces appeared in the air, Stephen raised his hand and lightly moved, and the elemental energy of the entire laboratory became active.

Diamond.

It is also commonly known as diamond, and it is a gemstone that is often used in the daily life of wizards.

However, there is a difference between natural diamonds and man-made diamonds in terms of deep structure, and the molecular structure of man-made diamonds is not the complete octahedral structure of natural diamonds, but a more complex structure, which can produce phosphorescence. Created diamonds are far inferior to natural diamonds in terms of magic guide and elemental affinity, so they cannot completely replace the high-quality diamonds used in many experiments. However, the value of this man-made diamond is not small, and it is widely used in many alchemy structures, especially when making diamond golems, man-made diamonds are a very good substitute.

However, there is a small problem, that is, the production of man-made diamonds is not high, and the purity may not be up to the requirements.

Under normal circumstances, diamonds that can be used in spell casting experiments need to reach the gem level or above, usually diamonds are calculated in carats, one carat is equal to 0.2 grams, one kilogram is equal to 1000 grams, and one ton is equal to 1000 kilograms. The diamonds used by Stephen in his large-scale alchemy experiments were basically calculated in tons.

When the tonne unit of measurement is required, it already means that there is basically not enough man-made diamonds on a small scale.

"Taling 1!"

"Scan Air Composition...... Activate the Gravitational Rune...... Clean up the surrounding free elements......"

In most cases, man-made diamonds are pale yellow in color because of other substances present in the air. The best quality man-made diamonds should be made with alchemy stones, but now Stephen has no alchemy stones at all, and he does not have the materials to make alchemy stones, so he uses an improved production method that combines the knowledge of his previous life.

Diamonds are composed of carbon, and are synthesized at high temperatures and pressures, around 2,300 degrees Celsius and pressures ranging from 15 to 180,000 atmospheres.

Airplanes.

As the runes on the ground lit up, a twenty-centimeter-diameter ball floated in front of Stephen's eyes, he reached out and gently opened the ball in front of him, and then twisted a small piece of diamond about one millimeter into it. The inner walls of the metal ball were marked with many runes, and in the center was a small circle of fine rings, which seemed to be infused with some kind of silvery-white metallic liquid.

Graphite is the main material used to make diamonds.

When the metal orb in front of him was resealed, Stephen picked up his staff and activated the Wizard's Tower's energy transmission network, activating the runes throughout the lab.

A silver-blue metal structure gradually opened, and inside it were circular empty spaces, and suspended metal balls floated into one of the empty spaces. The lilac crystal glowed, and the gravitational field in the entire laboratory seemed to change, and a trace of fiery red light spread along the rune traces, and finally a yellow progress meter appeared on the central control crystal ball.

This man-made diamond technology is called the "artificial diamond method".

The inventor was Stephen himself, and it was one of the stepping stones to the Supreme Arcane Council in the first place.

The biggest advantage of this method of man-made diamonds is convenience, although the yield is not very high, but it is relatively stable, just like planting trees, as long as small particles of diamond seeds are planted in it regularly, and then maintain the energy of the entire alchemy device, and wait until the progress bar is finished to harvest automatically.