I, Uchiha Dan, Never Lie, Entering Shikkotsu Forest

"Tsunade, you've misunderstood!" Uchiha Dan didn't dwell on it, shaking his head as he said, "I appreciate your kindness, but I don't dare to practice."

"You know, the Sharingan of the Uchiha Clan can copy others' Ninjutsu. I've mastered quite a bit, but I don't dare to practice or use it, so these things are useless to me."

"Since I'm giving you the Monster Strength Technique, I have a way to let you practice it!" Tsunade said, pulling out another scroll and handing it to Uchiha Dan.

"This is a Contract Scroll?" Uchiha Dan almost cried inwardly.

Not out of gratitude, but because Tsunade had finally gotten with the program.

Guilt was indeed a wonderful thing.

Uchiha Dan didn't actually want to PUA Tsunade like this, filling her heart with guilt.

He didn't dislike Tsunade, but to survive, he had no choice.

Of all the influential figures in the entire village, Tsunade was the only one he could reach and utilize.

Now that everything was falling into place, he, Uchiha Dan, would rise completely.

Thus, Uchiha Dan's voice suddenly became a little choked, "Tsunade, you... you really don't need to do this for me."

"The village owes you this!" Tsunade shook her head with heartache and said solemnly, "My great-uncle, Teacher Hiruzen, and I, we all owe you a lot."

Laying the two scrolls side by side, Uchiha Dan suddenly said to Tsunade, "Tsunade, I'm suddenly a little scared!"

"You, this is a good thing, what are you afraid of?"

"I'm afraid I won't have the strength to survive, and I'm afraid that if I gain strength, I'll do something bad."

Hearing Uchiha Dan's sincere inner thoughts, the last bit of worry in Tsunade's heart completely vanished.

At Uzumaki Mito's reminder, she had to be concerned.

Although she was determined to help Uchiha Dan, she was still a little uneasy in her heart.

Now that Uchiha Dan was so sincere, how could she still have any worries?

As long as the two of them continued to communicate honestly in the future, everything would only develop in a good direction.

"Dan, you really don't need to be afraid, I'll always be by your side," Tsunade promised, "And I won't do anything foolish again, I'll discuss things with you more in the future."

Uchiha Dan nodded with a heavy heart, but inwardly he was overjoyed.

As expected, sincerity was the ultimate move.

I, Uchiha Dan, pride myself on never lying—except for this one statement.

Seeing that Uchiha Dan no longer refused.

Tsunade pulled Uchiha Dan to the scrolls and cut his finger with a chakra scalpel, letting his blood drip onto the scrolls, signing the Blood Contract.

"Dan, follow my hand seals!" Tsunade began to slowly form hand seals, and Uchiha Dan mimicked her.

After completing the hand seals for the Summoning Technique, Uchiha Dan slammed his hand on the ground. With a bang, a thumb-sized small slug appeared on the ground.

"It succeeded?" Tsunade rejoiced upon seeing the tiny slug that had been summoned.

She had originally thought it would be difficult for Uchiha Dan, who had no foundation, to learn the Summoning Technique, but she didn't expect him to succeed on the first try.

Although currently limited by his chakra, he could only summon a tiny slug.

However, as he became more proficient and his chakra increased, Uchiha Dan would completely master the Summoning Technique.

"As for the Monster Strength Technique, my great-uncle proposed it as a Ninjutsu conceptualization based on the innate monstrous strength of our Senju Clan."

"Once successfully developed, it would not only allow members of the Senju Clan to exert greater power, but even those who are not of the Senju Clan could learn it."

"However, he passed away before he could research it further, and I was the one who finally perfected this Ninjutsu."

Tsunade opened the Monster Strength Technique scroll and began to explain the key points to Uchiha Dan.

Before long, there was a knock on the office door, signaling that they would be busy again.

However, the two had agreed to meet at the Shikkotsu Forest tonight.

Tsunade would go first, and then ask Sage Katsuyu to use the Reverse Summoning Technique to summon Uchiha Dan over.

With this agreement, Uchiha Dan had energy for the entire afternoon.

Not because the two were going to be alone, but because his Flying Thunder God Technique could finally begin training.

At that point, all threats to him would cease to exist.

This was the Flying Thunder God Technique, for crying out loud.

Even a Genin, once they mastered the Flying Thunder God Technique, could immediately possess strength comparable to an Elite Jonin, and even a Kage Level expert could fall victim if they weren't careful.

Just like the good-for-nothing Uchiha Obito, after awakening his Mangekyo Sharingan and gaining the ability to use Kamui, he immediately possessed Kage Level strength.

Some Ninjutsu were just that unreasonable.

Around ten o'clock in the evening, after telling Namikaze Minato a story and lulling him to sleep.

Uchiha Dan lay on the bed next door, awaiting the summons of fate (Tsunade).

He waited with all his focus for the moment of being summoned, to feel the spatial fluctuations generated when the Space-Time Ninjutsu traversed space.

This was naturally done in preparation for training the Flying Thunder God Technique.

Not long after, Uchiha Dan suddenly felt something and disappeared from the bed in the room.

Because he had been maintaining his most sensitive perception, the feeling of teleportation just now gave Uchiha Dan a strong spatial fluctuation.

In just one instance, he gained quite a bit.

But when he felt countless soft, sticky touches around him, Uchiha Dan's scalp tingled all over, and goosebumps erupted on his skin.

As expected, humans have a natural aversion to this kind of tactile sensation and stickiness.

After getting up, Uchiha Dan looked up, as if he were under a green dome. Tall, sturdy trees blocked out the sun, their layers of branches and leaves intertwined, forming a dense canopy.

The crisscrossing branches and clustered leaves completely obscured the sky, allowing only a few scattered rays of light to occasionally filter through the gaps.

Countless small slugs were scattered in various corners of the dense forest, looking curiously at Uchiha Dan.

Feeling the heavy dampness emanating from his body, the faint stinging sensation on his skin, and even the burning sensation with every breath from his lungs, Uchiha Dan felt a strong sense of discomfort.

"Is this Shikkotsu Forest? I didn't expect it to be filled with corrosive gas everywhere."

No wonder it's called Shikkotsu Forest. In such an environment, ordinary creatures would quickly turn into damp bones, and given more time, even the bones would likely dissolve.

"Dan, over here!" Not far away, Tsunade was waving at Uchiha Dan.

Uchiha Dan hurried over and then followed Tsunade as they headed in a certain direction.

"Tsunade, is the entire Shikkotsu Forest like this?" Uchiha Dan asked with a frown.

Although he was the foremost Medical Ninja in the Ninja World, his body didn't possess the powerful natural recovery abilities like Tsunade's, nor did he have the Ninjutsu like the Yin Seal, which could instantly heal oneself with a minimal amount of Chakra.

This environment was fine for a short while, but if it lasted too long, he wouldn't be able to endure it.

"No!" Tsunade shook her head and explained, "In theory, the Reverse Summoning Technique should have brought you directly to Sage Katsuyu's side."

"But Sage Katsuyu's body is too large. She has split her body into countless small slugs, which sometimes causes the Reverse Summoning Technique to be less accurate."

"Because everywhere is considered her side?" Uchiha Dan asked, a bit speechless.

Tsunade nodded helplessly.

At the same time, both of them saw the word "unreliable" in each other's eyes.

However, this was Sage Katsuyu's territory. Even if Sage Katsuyu had a good temper and wouldn't mind or get angry, they didn't voice their thoughts, as basic politeness was still necessary.