Chapter 648: Two portable killers, arrange them together!
Let’s put aside the dose and talk about toxicity... No, let’s put aside the issue of dose control, just talk about the issue of remotely injecting medicine into the opponent’s blood vessel.
After repeated experiments and summarization, Grete and Lynn discovered two rules:
First of all, the stronger the subject's physique, the greater the spell resistance.
"The resistance of a cow is greater than that of a rabbit; the resistance of low-level monsters is greater than that of ordinary animals."
Gretel jotted down a few strokes. He raised his head and looked at Linn with concern:
"So, if your enemy is a high-level powerhouse..."
"So we have to find ways to reduce resistance as much as possible." Lin En smiled nonchalantly. Facing the powerful enemies he may face in the future, there was no trace of worry on his face:
"Second, the farther the distance between the input medicine and the human body, the greater the spell resistance."
"Have you tried it before?"
"Previous people have tried it. For example, the resistance of saltpeter is greater than that of nitroglycerin, while the resistance of mercury and arsenic is already so great that even if the same level is cast against the same level, the failure rate is 90%."
Otherwise, why choose saltpeter? It’s a balance between success rate and lethality.
It’s not that the senior mages have never tried other casting materials, but they are either too laborious or the effect is too poor...
For example, inject a drop of water into the opponent's blood vessel? The resistance is small, but it is useless!
emmmmm……
"So Brother Linn, if the materials of this spell are changed to the components in the body of the recipient, the resistance will be the least, right?"
"Yes, but"
Linn suddenly stopped talking. He saw Gretel jingling, jingling, jingling, digging in the space bag for a while, and took out a small medicine bottle.
"Brother Linn, will you try this?"
Lin En took it doubtfully. Looking closely, the fine white powder looked similar to table salt;
Pour out a small amount and rub it with your fingertips, the texture will be similar;
Looking at Grete inquiringly, Grete nodded and smiled with encouragement:
"It'll be fine if you lick it and taste it. Don't worry, it's not poisonous."
Lin En took a lick without hesitation. Then, his face couldn't help but twist:
“So salty!”
So salty and bitter!
If this thing is table salt, it will make you cry to death!
"Potassium chloride?"
Grete shrugged beside him.
"Impure salt also contains this, and blood also contains this. Brother Linn, come on, try it?"
Lin En took a deep breath, drank a bottle of mental potion, and cast the spell again. This time, the magic power ran smoothly, without any resistance.
Sure enough, the things that are already in the body have the least resistance?
The magical power wrapped around the blood and the potassium chloride dissolved in the blood, and rushed into the rabbit's body. In an instant, the rabbit let out a scream of pain and fell to the ground.
Grete, with his sharp eyesight and quick hands, took out the stethoscope and handed it to the side. Linn quickly put on the stethoscope and pressed it on the rabbit's chest to listen.
there is none left.
There was no heartbeat at all.
He glanced at Gretel in shock. Gretel tilted his head towards him and spread his hands:
"That's right, this thing is really not poisonous. Just a small amount, if you drink 10 times the amount, nothing will happen."
However, high-concentration potassium chloride, injected intravenously, can cause cardiac arrest. In Gretel's previous life, this was the method used to execute people.
Of course, intravenously injecting high-concentration potassium chloride will cause severe pain. For humanitarian reasons, the death row prisoners will be injected with anesthetics before the injection...
But there is no need to say this. Anyway, whoever Brother Lin En unleashes this spell on, it will definitely be a fight to the death:
"Brother Linn, you just need to remember that when this thing is injected into the human body, it will cause severe pain. I am not sure whether this pain can interrupt the casting, but once it enters the heart, cardiac arrest will occur instantly."
"Then...is there any way to save it? For example, using magic like detoxification to drain the potassium chloride from the human body?"
Gretel sighed deeply.
"If you drain it, you will definitely die. You don't even need to drain it, the blood potassium will be as low as one point or so, the muscles all over the body will be weak, the heart muscle, and the respiratory muscles will be unable to beat, and you will still die quickly."
Yes, potassium ions are such a magical thing. If it is too high, it is not good, and if it is too low, it is not good. If it exceeds the upper limit, you will die. If it falls below the lower limit, you will die in the same way.
Linn put the bottle away with a solemn expression. With this trump card, if you move quickly, get injured, the opponent is of a higher level, or the success rate of spell casting drops significantly, it is equivalent to an extra life!
"you……"
"Brother Linn, I have another idea, it might be worth trying." Before he could say thank you or something similar, an idea flashed in Gretel's mind and he interrupted hastily:
"Try the air! If you don't have anything with you, injecting air and blood into the enemy's body might work!"
When people take risks outside, there will always be times when they are displaced and everything is lost. But if his calculation is correct, then if you wipe a drop of blood from your body and hold a handful of air, you can use this spell to counterattack!
Linn was confused for a moment, but after seeing Grete urging him again and again, he still did as he said. Grete kept coming up with ideas:
"Heart! Aim for the heart! Pour air into the heart! This is the fastest!"
While commanding, he had already thrown out a blood oxygen saturation magic and an electrocardiogram magic, which fell on the rabbit. On the light screen, it was full and bright, with a saturation of 100%, and the electrocardiogram lines were regular. Everything on the rabbit looked normal.
The spell is thrown out silently. There is no flame, no strong acid, and nothing out of the ordinary that people will notice immediately. In other words, using this spell to assassinate people from a distance will greatly reduce the probability of people noticing it.
.
However, not long after the spell was thrown, the blood oxygen saturation plummeted, and the rabbit was breathing rapidly and becoming restless. The electrocardiogram was jumping up and down like crazy, and not long after, a straight line was drawn out.
"Heartbeat stopped?!"
Linn was surprised. Gretel sighed softly:
"Yes, air embolism caused cardiac arrest. Brother Linn, you must be careful with this magic. If you throw it at the wrong person, I'm not sure I can save it!"
"Don't worry!" Linn agreed. He looked at Grete and hesitated to speak. Before he could speak, Grete had already answered:
"Want to report to Black Crow Swamp? Want to write a thesis? It's all fine! But brother Linn, you have to help me dismantle this spell. I want to study how it controls the dosage!"
"No problem!" Lin En slapped her thin chest loudly:
"Don't worry, I will never leave Nevis until I teach you!"
...Do you want to go out on adventure again?!
Although he is worried, Grete also knows that everyone has his own path to advancement. Just like Grete himself, if he does not work hard to practice medicine, he is afraid that he will be stuck as a priest apprentice. As for Linn, if he does not go out to work, he will probably die.
Not good for his development...
So Gretel had no choice but to work hard to delay his learning progress and let Lin become more familiar with this magic. Of course, he also encountered trouble:
"So how exactly do you determine blood potassium levels?"
Beside Lin En, there was a plate of potassium chloride, a pair of tweezers, and a row of rabbit cages in front of him. He had already progressed to the point of picking up one pill, applying it once, pinching another pill, and applying the method again...
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