From the Hidden Leaf Village to the border of the Land of Fire, with the speed of a ninja, it would be enough to reach the destination in just two days or even less. However, when it comes to moving a large army, the speed inevitably slows down.
Firstly, it's challenging to coordinate a large number of people. Unlike a small group of three to five individuals who can easily adjust their speed, with a large number of people, the only option is to slow down to maintain formation.
Secondly, a large army is more likely to become a target for attacks. Unlike small squads that are agile and hard to detect, a large army advancing must rely on Sensory Ninjas for reconnaissance. The maximum speed of the large army will not exceed the reconnaissance speed of the Sensory Ninjas.
Tatsuma originally applied to join the reconnaissance squad during the journey, as he had a strong talent in Sensory abilities. Although his chakra levels couldn't sustain prolonged Sensory reconnaissance, he could serve as a temporary replacement.
However, Tsunade rejected the request because the reconnaissance squad operates ahead of the main force, making it more vulnerable to enemy encounters. After a few days of travel, the large army had already faced several attacks, resulting in the deaths of two Sensory Ninjas.
Overall, it took more than four days for the main force to reach the border camp. The border between the great nations is always occupied by ninjas, and at this time, the war has not truly erupted, and the camp has not been destroyed.
Therefore, the main force does not need to establish a new camp but instead directly coordinates with the ninjas already present at the camp.
However, upon arriving at the camp, Tatsuma immediately received his first task, which is to assist the Medical Corps in treating the ninjas within the camp.
"Kazuno, assist Tatsuma in treating ninjas with severe external injuries. Take me to see those poisoned ninjas. Others, organize cases that cannot be resolved and wait for me to come over."
Tsunade handed over the coordination work to Orochimaru and directly led the Medical Corps to the wartime medical department. Upon hearing Tsunade's arrangement, after subconsciously glancing at Tatsuma, Kazuno quickly ran towards the wounded.
At this moment, a sixteen or seventeen-year-old girl approached Tatsuma and said, "Hello, Sakamoto Tatsuma. I'm Mitokado Kazuno, the former person in charge here. Please follow me."
Tatsuma nodded without complaining about starting work immediately upon arrival. Carrying his backpack, he followed Kazuno into a tent.
Inside the tent, there was a strong smell of medicinal herbs. There were also four or five ninjas lying on beds, groaning or trembling under their blankets. Tatsuma took a closer look at the nearest patient and asked with a furrowed brow:
"Who handled the previous treatment?"
The recent injury was on the thigh, likely caused by some Wind Release Ninjutsu. The outer side was completely cut open, with minor damage to the bone. However, the most serious issue was the infection.
Upon hearing this, Kazuno, looking at Tatsuma's frowning expression, somewhat embarrassedly said, "It was me."
"Weren't there any medical ninjas in the camp before?"
Tatsuma walked to the side, unloaded his backpack, and asked. Kazuno's face turned red, wondering if she had been expelled from the medical ninja corps without her knowledge. However, she could only admit with embarrassment:
"There are limited medical ninjas here."
Tatsuma did not dwell on her helpless explanation. He put on a mask and gloves, then took out a bundle of sealing scrolls from his backpack. After unsealing them, several bottles of antiseptic solution and hydrogen peroxide appeared.
Picking up two bottles and grabbing a pack of medical needles, along with masks and gloves, Tatsuma returned to the bedside and asked, "Can you stitch wounds?"
Upon hearing this, Kazuno quickly nodded. Tatsuma said, "I'll remove the infected and purulent part of the wound, and you'll stitch to stop the bleeding. After that, we can use Mystical Palm Jutsu or other ninjutsu for auxiliary treatment."
If the injury is recent and the wound is not contaminated, Mystical Palm Jutsu can be used directly. However, in this case, the ninja's wound has become infected and purulent, making Mystical Palm Jutsu unsuitable.
Kazuno nodded and instinctively took the items Tatsuma handed over. After realizing it, she followed Tatsuma's example by putting on a mask and gloves. Tatsuma casually remarked, "Next time, remember to tie up your hair."
"I got it."
Suddenly, Kazuno felt a sensation reminiscent of a few years ago when she had just graduated from the academy and was assigned to intern at the Konoha Ninja Hospital. Tatsuma seemed like the supervisor who guided her back then, though the supervisor was strict and didn't teach her much.
Observing the wound for a moment and exchanging a few words with the injured ninja, Tatsuma began to take action. He condensed chakra in his palm, forming a surgical knife made of blue chakra, and began cutting around the patient's wound.
He didn't use anesthetic assistance since the patient's wound had been tightly bandaged to stop bleeding, making them nearly numb. What use was anesthesia at this point?
After cutting away the infected and purulent part, Tatsuma rinsed it with hydrogen peroxide. He explained to Kazuno how to stitch the wound, then removed his gloves and mask, replaced them with new ones, and moved to the next bed.
The next patient was not as fortunate; they had injuries to the ribs, affecting both the lungs and stomach. Tatsuma only performed wound cleaning and hemostasis, as he couldn't handle such injuries and had to leave them to Tsunade.
The following patients were relatively lucky, with wounds on their limbs, except for one on the buttocks. Only the infected parts needed to be removed, and after cleaning and stitching, Tatsuma finished these tasks. He looked at Kazuno with a peculiar expression.
He remembered that Tsunade had instructed Kazuno to take him to treat seriously injured patients. Why were all the injuries so basic?
If the previous wound treatment hadn't gone wrong, it should have only required cleaning and stitching. Even if one doesn't know Medical Ninjutsu, the infection wouldn't have reached this state, right?
Or is it that Kazuno, the person in charge, is fake? Wait, Mitokado clan. Tatsuma scrutinized Mitokado Kazuno, feeling like she was here for show.
Kazuno, who lowered her head deeply under Tatsuma's scrutiny, felt a bit wronged. She was indeed a medical ninja, but she had never dealt with patients with injuries that could potentially cause excessive bleeding and death in a short period.
In order to prevent these patients from dying due to excessive blood loss, she could only urgently stop the bleeding and use various hemostatic drugs, hoping for a miracle.
Tatsuma, who thought he had guessed the truth, didn't say anything more. After all, as a civilian after the era of the ninja, it wasn't suitable for him to make unwarranted comments, lest he wears uncomfortable shoes in the future.
He checked the wounds that Kazuno had re-stitched and could only say it was passable, not exactly beautiful, but at least the stitching was successful. After removing the surrounding bandages, blood flow was restored without further bleeding.
Only then did Tatsuma use the Mystical Palm Jutsu to accelerate the recovery of the patients' wounds. There were only four patients that he needed to treat, and even Tatsuma wouldn't be weakened to the point of needing a break midway.
However, considering that several individuals had lost a substantial amount of flesh, although the wounds were healing, they still needed some time to recover before being able to rejoin the battle. After letting them rest, Tatsuma began organizing the case reports and surgical plans for the patient with internal organ damage.
Although Tatsuma hadn't delved deeply into learning Medical Ninjutsu, having spent almost half a year alongside Tsunade, he had seen quite a few medical cases. Even though he didn't know how to proceed, he relied on memory to incorporate surgical plans from several excellent cases.
After organizing these materials, Tsunade would review them again. If Tatsuma's guesses were correct, it could save Tsunade some time. Even if he guessed wrong, it wouldn't waste Tsunade's time unnecessarily.
"Not bad, reconsidering learning Medical Ninjutsu from me?"
Tatsuma, engrossed in writing, suddenly jerked and caused a large hole to appear on the paper. When he turned around, he found Tsunade looking at him with a satisfied smile. Tatsuma took a deep breath and said:
"Sensei, scaring people can be deadly. By the way, has the poison on your end been resolved so quickly?"
"All are inventories from the Hidden Sand Village, and there are ready-made plans."
Tsunade picked up the plans written by Tatsuma, examined them, and then compared them with the cases. She said, "You don't necessarily have to engage in combat to be a ninja. I think you have the talent to be a medical ninja."
"Never mind, I still don't like the atmosphere in the hospital, and also... It's not because I'm scared to take lives; it's just... Forget it."
Tatsuma guessed Tsunade's repeated attempts to persuade him to transfer to medical training, but he still refused. Tsunade nodded and didn't insist any further. Instead, she said, "Go check out other wards. The medical conditions here are too poor. Go support there."
"Alright, sensei."
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