"This…"
Ren took two steps forward, and what greeted his eyes were densely packed large vessels, with various creatures suspended in the nutrient solution, their bodies floating up and down in the liquid, eyes tightly closed, their life or death unknown.
Among these creatures, there were large animals like lions and tigers, small ones like snakes, insects, rats, and ants, and even, Ren saw a person among them!
"Hehehe, Ren-kun, don't misunderstand, that's a Sunagakure spy who infiltrated Konoha. After the Interrogation Department extracted all his value, he was thrown into a cell. I'm just using him for some interesting little experiments."
Orochimaru followed Ren's gaze, chuckled softly, and then calmly explained.
"So that's how it is, hahahaha, you scared me for a moment."
Ren chuckled dryly while retracting his gaze, but a thought bubbled up in his mind.
At this time, Orochimaru should not have started the forbidden human experiments yet. He should only be at a superficial stage. Orochimaru's true human experimentation phase should be after the Third Shinobi World War. Because he cooperated with Danzo, Orochimaru became increasingly obsessed with research and couldn't extricate himself. He was eventually discovered by Hiruzen Sarutobi, who organised Anbu to corner Orochimaru in his laboratory. However, Hiruzen Sarutobi, out of their master-disciple affection, let Orochimaru go, which led to the "Konoha Crush Plan" later spearheaded by Orochimaru, resulting in Hiruzen Sarutobi exchanging his life as the "Strongest Hokage" for Orochimaru's arms.
"This is my largest biological research base. Ren-kun, have you encountered any problems today? Feel free to tell me."
"Thank you, Lord Orochimaru. My sudden intrusion today is to ask for your guidance on some scientific and cultivation-related questions."
Ren bowed slightly in thanks, simultaneously stating the purpose of his visit.
"No problem, follow me, Ren-kun."
After hearing Ren's answer, Orochimaru paused for a moment, then began to lead the way. Ren followed closely, and the two passed through the vessels, reaching the end in a short while.
At the end of the wall, a two-meter-high, one-meter-wide door appeared. Orochimaru stepped forward and pushed the door open. Ren followed him in, closing the door behind him, and began to survey the room.
On the left side of the room were two rows of bookshelves, filled with various research books on chemistry and biology. On the right were two large wooden shelves; the upper shelves held various reagents, while the lower ones contained various sizes of vessels.
In the centre was a tempered experimental table, its surface reflecting a metallic sheen under the light. Various scalpels, tweezers, surgical scissors, and a pile of small instruments Ren couldn't name, gleamed with a cold light.
In the very centre lay a python that had already been dissected, its body completely black, with a wound running from its head to its tail. It seemed Orochimaru was just about to begin his experiment when he was disturbed by the commotion from Ren's side.
"Then let's first address your scientific questions. Don't rush, take your time."
Orochimaru now looked like a patient teacher, his gaze fixed on Ren, waiting for him to continue.
"It's like this: do animal cells not contain chloroplasts, and do all plant cells contain chloroplasts?"
"Not all plant cells contain chloroplasts. Chloroplasts are mainly found in mesophyll cells, and some young stem cells also have chloroplasts, but they are not present in Root cells and leaf epidermal cells. Chloroplasts only exist in some higher plants and some algae."
Orochimaru quickly answered a brief thought, then looked back at Ren.
"Question: Are the elemental compositions of starch and glycogen the same?"
"Yes, starch is the main energy source for plants, and glycogen is the main energy source for animals. They both belong to carbohydrates."
"Question…"
Fifteen minutes later…
"Lord Orochimaru, I'm done asking. Your guidance has benefited me greatly. Thank you for your advice."
While thanking him, Ren was secretly astonished. As expected of the Ninja World's top scientist, his knowledge reserves were truly impressive.
"You're welcome, Ren-kun. If you're done with questions, then let's talk about your cultivation-related confusions."
Orochimaru waved his hand, also somewhat surprised. Non-professionals couldn't answer these questions at all, and even professionals might be stumped by one or two. If Orochimaru hadn't been so strong, it would have been too embarrassing if he hadn't answered one or two. It would be a huge joke if a Sannin were stumped by a Ninja Academy student's questions.
"It's like this, I want to cultivate a new Chakra nature, but I don't know how to do it, so I came to you for a solution."
"Hmm?"
Orochimaru stared at Ren in surprise after hearing his statement, and after a moment of silence, he said.
"Ren-kun, what are your Chakra natures?"
Ren answered honestly after hearing him.
"My Chakra natures are Water, Wind, and Lightning."
"Three natures, that's quite good already."
Orochimaru nodded, then instead of teaching Ren about new natures, he prepared to start by teaching him about the nature transformation and shape transformation of Ren's existing natures.
"Nature transformation and shape transformation?"
Ren was a bit confused. "I came to ask how to cultivate new Chakra natures later on. Why are you talking about nature transformation and shape transformation?"
Orochimaru saw Ren's confused expression and then explained.
"It's like this: the vast majority of Ninjas are born with at least one aptitude for nature transformation. However, whether they can develop it depends entirely on their later training and their own understanding. A typical Jonin can develop two or more nature transformations, but many Ninja, such as those who focus on taijutsu, do not deliberately train and comprehend Chakra nature transformation."
Orochimaru paused, then continued to explain.
"Furthermore, even a Ninja who masters multiple nature transformations will inevitably have a primary and secondary nature. Of course, some people are exceptions, such as my teacher, the Third Hokage. He has perfected the nature transformation and shape transformation of all five Chakra natures. However, with your talent, now is not the time to develop new natures. What you should do now is lay a solid foundation, not rush to develop new natures and destroy your foundation. Of course, if you insist on learning, I don't mind teaching you."
After speaking, Orochimaru quietly watched Ren, waiting for his choice.
After listening to Orochimaru's warning, Ren's heart suddenly jolted, and a cold sweat instantly broke out on his back.
He was right! He was too ambitious, learning this and that, which led to scattered energy and an unstable foundation. A tall building starts from the ground up, and he hadn't even laid a good foundation before thinking about those illusory things. Ever since he defeated Kakashi, he seemed to have become a bit arrogant, blindly confident in everything. Such confidence wasn't true confidence; it was arrogance!
Such a mindset would definitely lead to a heavy, even fatal, price if he ventured into the Ninja World!
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