The Last Alchemist

Nitroglycerin is very, very unstable.

This thing is extremely sensitive to vibrations. If a drop of nitroglycerin falls to the ground from a height of 1.5 meters, it is likely to burn violently.

Its explosive power is extremely powerful, reaching 16 times that of ordinary black powder!

Rosen did not have many raw materials and insufficient time. The nitroglycerin he prepared was less than 15 ml, but it was still very dangerous.

He used his elemental control power to gently wrap the nitroglycerin in the medicine bottle, keeping it motionless, and then poured the medicine bottle very slowly, pouring the upper layer of potassium hydroxide solution out of the medicine bottle, leaving only That leaves pure nitroglycerin.

After finishing, Annie sniffed the air gently and asked curiously: "What is in the medicine bottle? Weirdly, I have never smelled this kind of smell."

"It's a kind of kerosene." Rosen smiled weakly. He sniffed and followed the scent to see the roasted rabbit meat in Annie's hand: "The rabbit meat is cooked. Give me a rabbit leg. I'm going to be hungry." dead."

Annie hurriedly twisted a rabbit's hind leg and handed it to Rosen, and then handed the water bag over.

Rosen first carefully placed the medicine bottle away from the campfire, then reached out to take the rabbit leg and water bag, and ate them hungrily, regardless of whether they were hot.

Anne's craftsmanship is very good. The outer layer of dough is slightly burnt by the baking, and the rabbit meat wrapped inside is tender and delicious. Although there is only salt as seasoning, it is better than natural and tastes unique.

Soon, Rosen gnawed a rabbit leg clean, even the bones, and ate it. He looked at the roasted rabbit in Annie's hand longingly.

Anne had to tear off the other rabbit hind leg to him.

A few minutes later, the second rabbit leg was also eaten, and I ate two rabbit legs. Rosen's stomach felt much better. He took a deep breath and reached into his pocket to take out the third medicine bottle. He opened it and found that the medicine bottle was filled with gray-white powder.

Annie poked her head over to take a look and asked curiously: "What is this? It looks like mud and smells similar."

Rosen laughed and said, "It's just mud. I call it diatomaceous earth. It's an extremely effective adsorbent."

This diatomaceous earth is a good thing. On Earth, because nitroglycerin is so violent that it can detonate just by shaking, it has always existed in the laboratory and has never been used in practical applications. In order to solve this problem, Nobel, the king of explosives, had always wanted to find a stabilizer. He tried various materials and finally found diatomaceous earth, and then prepared a safe nitroglycerin explosive.

Relying on this kind of explosive, he became a rich man.

Rosen slightly estimated the amount of nitroglycerin, pinched some diatomaceous earth powder at a ratio of three to one, and lightly sprinkled it into the medicine bottle containing nitroglycerin.

"You threw mud into kerosene?" Annie couldn't understand again.

"Well, diatomaceous earth can absorb kerosene, which can make the kerosene very mild and prevent it from burning easily."

As he spoke, Rosen activated his alchemical powers and evenly mixed the diatomaceous earth and nitroglycerin. His movements were very, very gentle, as if he were touching his lover's skin.

Annie looked at the medicine bottle again, but only saw a thin layer at the bottom of the bottle. She became more and more puzzled: "It's not a big deal even if it burns with kerosene like this, what's there to be afraid of?"

She had heard of kerosene. The alchemists in the Free City of Berkeley occasionally sold some liquids that burned very violently, and they called them kerosene.

Rosen smiled: "My fire oil may be different from what other alchemists make."

After more than ten minutes, Rosen mixed the diatomaceous earth and nitroglycerin evenly, and the liquid explosive disappeared and turned into a safe powdery solid. Rosen himself became sweaty again from using alchemy.

This time, without him having to say anything, Anne handed over the roasted rabbit, and Rosen took it and ate it. In the end, he almost ate the whole rabbit alone.

"I also need silver beads and silver powder."

"Here you go." Annie had already prepared it.

Rosen took the silver beads and inspected them carefully one by one. He found that the surface of each of these silver beads was quite smooth, with no burrs or protrusions at all. At a quick glance, it looked as if they were machine-processed. There was no need to worry about them at all. Will scratch the inner wall of the bamboo tube.

He sincerely praised: "The craftsmanship is very good."

Annie smiled sweetly.

Rosen first poured explosives into the bamboo tube, pressed it tightly, then poured in the silver beads, pressed it also, and poured a little more silver powder to fill the gaps in the silver beads. After pouring three layers in a row, he poured in all the silver particles.

After finishing, he carefully checked the bamboo tube with elemental perception again. While checking, he was still making various calculations in his mind.

‘The combustion heat of nitroglycerin can reach 1540 kilojoules per mole. Here it is 15 milliliters, which is roughly equivalent to that. Although the bamboo tube has been strengthened, it is still insufficient. Well, it needs to be reinforced again.'

After precise perception and some ingenious calculations, Rosen had a perfect control over the power of the bamboo tube.

After sitting in silence for more than ten minutes, he suddenly stood up, looked around, took a bamboo pole, and began to gesture back and forth in the cave.

From Annie's point of view, all Rosen's performances were blabbering, and she couldn't understand them, so she could only stay aside and watch in confusion.

A few minutes later, Rosen bent down to pick up a piece of charcoal from the edge of the campfire, made a cross on a rock wall, and turned to look at Annie: "Annie, use your sword to poke a hole here. This hole only needs It is slightly larger than the bamboo tube, and the diameter of the front and rear should be basically the same, the depth of the hole should be slightly shallower than the bamboo tube, and the direction of the hole should be consistent with the bamboo pole in my hand, can it be done? "

"This is simple."

Finally no longer having to be a spectator, Annie immediately picked up the steel sword, glanced at the bamboo pole in Rosen's hand, raised her hand, and stabbed the steel sword into the hard rock.

"Run~"

The steel sword sank into the stone wall, and the depth just met Rosen's requirements.

Annie twisted her wrist, and the steel sword body rotated accordingly. With a 'sizzling' sound, clusters of stone powder fell down, and a very smooth small hole appeared on the hard cave wall.

Rosen walked over to check and found that the hole Anne made with her sword met the requirements perfectly. The inner wall of the cave was very smooth, as if it had been polished with sandpaper. This power and fine control was truly remarkable, and it had to be done by a master.

As he watched, Rosen suddenly felt something was wrong: "Annie, when you were dealing with vampires before, why did you look so clumsy?"

Anne rolled her eyes at Rosen and said proudly: "That's just an act. Let me tell you, in Holderburg, there is not a single stalker who is better than me in swordsmanship and younger than me."

"Awesome!" Rosen praised sincerely. He didn't expect that Annie was actually a master of swordsmanship.

Anne was not very happy. She sighed lonely: "Hey~ No matter how strong your swordsmanship is, you can't be the opponent of a high-level vampire. The vampire Viken is too strong. I'm afraid I can't hunt with my own strength alone." Anyone can defeat a high-level vampire. I estimate that at least ten hunting masters must work together to have any chance of success."

"That's not necessarily the case." Rosen smiled.

He wrapped another layer of cotton strips around the outside of the bamboo tube, then stuffed it into the hole in the rock wall, and twisted it left and right. After making sure it was secure, he nodded with satisfaction.

Nitroglycerin is too violent, and bamboo tubes and cotton strips alone may not be able to suppress it, but if hard rocks are added, there will be no problem.

Then, Rosen used charcoal to draw a cross 10 centimeters above the bamboo tube: "Annie, stab the sword here again. This time, the thrust is lighter, just enough to penetrate a small piece of wood."

Anne did as she was told.

After the small hole was made, Rosen poked a piece of wood in, took the rabbit skin that Annie had peeled off before, and used a dagger to cut two or three small holes in the rabbit skin.

Annie couldn't understand: "It's a good rabbit skin. Why cut it up? You can make a rabbit skin hat."

"Cover it up."

Rosen hung the rabbit skin on the wooden stick, adjusted the position so that a hole was facing the bamboo tube launch port, and then carefully cleaned the stone powder on the ground.

After making sure everything was in order, Rosen took a few steps back and checked it carefully to make sure it wouldn't look out of place before he let out a real breath.

Walking back to the bonfire, Rosen drew a line with his hand: "Annie, from now on, we sit on this side of the line. Remember, we must not cross the line. Annie, I'm not kidding, don't sit there Don’t move, move down quickly.”

Annie nodded blankly and moved to the place Rosen requested.

She asked: "What then?"

Rosen walked to where she was sitting before. There was a smooth stone here. He squatted down, wiped the stone clean carefully, and then said: "Look here, the ground is dry, the air is warm, the view is wide, and it is accessible. It's the best position in this cave, and Vampire Viken will definitely like it."

"." Annie was speechless for a while, and she became more and more confused: "I only understood half of what you said tonight. How about you explain it?"

"You'll know later. Okay, I haven't had enough sleep yet. I'm going to sleep first." As he said that, Rosen yawned, stretched, and lay down next to the bear carcass again. : "If a vampire comes, call me."

The continuous high-intensity use of alchemy consumed too much of his body's energy. His head was dizzy and he urgently needed to rest.

Anne on the side turned to look at the bamboo tube covered with rabbit skin on the stone wall, and then looked at Rosen sleeping peacefully, completely unable to understand where his confidence came from.

"Hey, are you asleep?"

"Don't make any noise, I'm sleepy."

"Aren't we leaving? Just wait here for the vampires?"

"Well, yes, just wait for him to come over and I say, you can rest too. Don't worry, that guy will never attack us sneakily after he finds us. He will intimidate us, threaten us, see us desperate, see us cry, and then he will enjoy it He laughs at us and waits until he has enough fun before he actually does it. Well, let’s not sleep anymore.”

Before he finished speaking, Rosen fell silent.

Anne walked over and took a look, and saw that the little thing was really asleep. It was really strange that he could fall asleep in the face of the threat of vampires!

To be honest, Annie was also terribly tired, and her body was in urgent need of recovery from her injuries. What she wanted to do most now was the same as Rosen, which was to fall asleep.

"Forget it, forget it, it's just a death. Anyway, if you have someone with you, you won't be alone when you die. I'll sleep too!"

Annie lay down on the other side of the bear corpse, and sleepiness quickly came over her. After a few minutes, she also fell into a sweet dream.

She didn't know how long it took, but she suddenly heard a "click" sound, which was the sound of a branch breaking. Annie's whole body trembled, and her sleepiness disappeared completely: "Someone outside the cave stepped on the dry branch I placed!" ’

The dry branches were her specially arranged alarm traps.

She sat up suddenly and looked at the bamboo tube inserted in the cave wall at first glance. After confirming that the bamboo tube was safe and sound, she breathed a sigh of relief.

Unconsciously, she had great hope for the bamboo tube that Rosen had spent a lot of effort to make, although she still didn't know what it was used for.

She turned her head to look outside the cave. The sky was already white, and the early birds were chirping. She had just slept for at least 4 hours. She reached out and touched her stomach. The wounds on it had already formed blood scabs, and her stomach didn't hurt anymore. Her injuries were basically healed.

She looked in the direction of Rosen again, and saw that Rosen was holding the hind legs of the bear corpse and sleeping soundly.

'What a strange little guy. '

Just then, the light in the cave dimmed, and a figure appeared at the entrance of the cave, followed by a charming and mellow voice: "Oh, beautiful lady, so you are hiding here, it really took me a long time to find you."