After the episode of the ghost face, Don finally returned to the backyard of the attic on the second floor.

"This night has passed, tsk, and it is exciting...... Sure enough, plainness is king. Feeling emotional, Don took the horse rope and took out the key to open the back door.

Zizi ......

"What sound?" Donn wondered. moment

Bang!ah......h Small explosions were interspersed with panic coming from the backyard.

Nima, come back...... Donn instantly popped the dagger out of his cuff, slammed it on the frame, and flipped over the wall. Belch......

In the backyard, Lena sat on the ground with her face pale and her ears covered, and in front of her, a small stove was tipping to the ground, a small deformed pot was emitting black smoke, and some black liquid with a pungent smell was stained on the wall not far away.

What is it......

"Ahh

Don stumbled and almost didn't fall off the wall: "Hey, hey, it's me!"

"Uh, Mr. Arthur?" asked Lena, hesitantly.

"Haven't you seen this nose this morning? Donn rolled over and got off the fence and held out his hand, "What are you...... Cooking?"

“...... Not really. Lena took Donn's hand and got up, awkwardly took out a book from behind her and said, "I saw a reaction when I put the juice and acid soil of the fireweed grass on it together and heated it together. I was curious, and there happened to be a potted plant of Flame Striped Grass here, so I tried it, and the result was ......"

"Outline of Alchemy?" Don asked in surprise as he looked at the book in Lena's hand, "Are you interested in alchemy?"

"I don't know...... I just thought it was funny. It's amazing that common things like sour soil and flameweed react when heated together......"

"Explosion...... Interesting?" said Don in amazement.

"No, the book says that there will be a beautiful blue flame ......" Lena looked at the book in distress, and then her eyes lit up and said excitedly: "I know, it's because of the iron pot! Alchemy has a special burning device, so it will produce blue flames." I put it in an iron pot and heated it, and it exploded. ”

Tang En saw Lina's excited expression, his heart suddenly moved, and he said, "Since you are interested in this, then I will buy you an alchemy device tomorrow." ”

When Lena heard this, she hurriedly waved her hand: "Well, no, no, no." Mr. Arthur, I'm just playing around and seeing how it works. ”

"Hehe, it's okay, you should just have fun. Don waved his hand absently.

Don insisted on buying something for Lena, of course, for a reason, although yesterday he said that Lena was free to move around. But Lena Zuihou chose to stay anyway, apparently worried about causing him trouble. For this, Don En was naturally moved.

Since Lena chose to stay, and reading books every day would be very monotonous, Don naturally didn't mind buying something for her to practice.

"Well, but I've heard from books that alchemy devices are expensive!"

"Haha, don't worry, what you have is money!" Don En, who made a windfall today, patted his pocket and looked like he was rich.

............

"How much is this thing? Three thousand gold coins! Why don't you grab it!"

"Sir, robbery is against the law. This is a high-end item, and if you are not satisfied, you can choose the next grade. ”

"How many of that?"

"Two thousand nine hundred gold coins!"

“...... You did it on purpose. ”

"What?"

"Forget it, it's just three thousand."

"Haode, sir. A total of 3,500 gold coins. ”

"Uh...... What? Why did it become three thousand five hundred gold coins again!"

"Yes, sir. Because there will always be a lot of waste residue, poisonous gas, etc. in the alchemy process, the city government department stipulates that the purchase of this alchemy device must be accompanied by the purchase of a purification device. The purification device is five hundred gold coins, adding up to a total of three thousand five. ”...,