Yin Seal

Shintaro glanced to the side and noticed Tsunade's exertion. With his six eyes, he could clearly see the chakra in her body depleting rapidly.

'Treating so many injured people simultaneously is admirable for Tsunade. But with such massive chakra consumption, how does she manage it?'

Shintaro couldn't help but question in his heart.

Unfortunately, the Six Eyes ability could only be used by himself; otherwise, he would step in to help.

However, seeing Tsunade's chakra nearly exhausted, Shintaro knew that although he couldn't help her save chakra, he still had to assist the injured who hadn't received Tsunade's treatment.

According to his judgment, Tsunade's chakra couldn't withstand such massive consumption.

But Shintaro noticed something peculiar: it seemed Tsunade had more chakra.

He observed further and finally identified the issue, which was the blue-purple diamond-shaped mark in the center of Tsunade's forehead.

Initially, he thought the mark was merely decorative, but it turned out there was a hidden mystery behind it.

"A Sealing Technique?"

Shintaro quickly found a clue and discovered that the mark on Tsunade's forehead was from a sealing technique, and there was actually a significant amount of chakra hidden within it.

In terms of chakra quantity, Tsunade's chakra had reached the upper Kage level. After all, she was a direct descendant of the Senju clan.

Both the Senju and Uzumaki were clans renowned for their chakra prowess.

The chakra hidden in the seal on Tsunade's forehead was many times more than his own chakra.

"As expected, the Konoha Sannin live up to their reputation."

Among the three Sannin, Shintaro had the most dealings with Orochimaru. Knowing his strength and scientific research capabilities far exceeded the ninja world's level, he didn't have much contact with Jiraiya but left a deep impression on him, not to mention that Jiraiya could teach talents like Minato.

Tsunade might not match the other two on the battlefield frontally, but in her specialized field—chakra volume and medical ninjutsu—she was top-tier in the ninja world.

Seeing the chakra in her body nearly depleted, Tsunade closed her eyes tightly and formed a seal again with a serious expression.

"Yin Seal, release!"

The Yin Seal on her forehead suddenly spread to all sides, the diamond in the center emitting a purple light, and the black lines spreading formed a crisscrossed pattern. This pattern added a different charm to Tsunade's already stunning face.

Shintaro stared straight at her, but he wasn't interested in her beauty; he was observing the specific function of the Yin Seal.

The chakra in the Yin Seal quickly flowed out, replenishing the initially empty chakra reserves in Tsunade's body.

This chakra turned into medical ninjutsu performed by the snails, healing many injured people.

After repeating this process several times, the injured in the open space began to recover one by one.

Shintaro silently admired this: "She actually uses a sealing technique to seal her chakra, activates it at this critical moment, and combines it with extraordinary medical ninjutsu."

"No wonder the Third Hokage said that Tsunade must save these people. It seems only Tsunade has the ability to save these people."

The Yin Seal allowed Tsunade to possess top-tier medical ninjutsu as well as the best endurance.

The two complemented each other, which was enough to bring Tsunade's medical abilities to a breakthrough level.

Shintaro's Six Eyes and [Reverse Cursed Technique] could certainly provide continuous assistance to the injured, but if he saved them one by one, he might not be able to save them all before dawn.

But now, with Tsunade, a top medical ninja, Shintaro only needed to take responsibility for treating the severely injured and assist Tsunade with the [Reverse Cursed Technique].

Although Tsunade's medical ninjutsu was powerful, it still couldn't reach the near-eternal recovery strength of the [Reverse Cursed Technique].

Generally, the [Reverse Cursed Technique] couldn't be used on others, and even if it could be used on others, its effect on them would be much weaker.

But Shintaro had the blessing of the Six Eyes, and it was a new Six Eyes that was a fusion of the Six Eyes and Mangekyo Sharingan. Therefore, the [Reverse Cursed Technique] applied to others could also achieve an unusually potent recovery effect.

He walked to the open space, stepping over the soft, slimy snails, and approached those severely injured who had lost limbs due to the Kyuubi Rebellion.

[Reverse Cursed Technique].

A clean white fluorescence lit up, and the injured limbs began to regenerate.

"What kind of method is this?"

Tsunade realized that the treatment method Shintaro used was clearly not medical ninjutsu. Of course, he had mentioned this before.

But when she actually saw such a method, she was still very surprised.

Because such a recovery effect had surpassed her understanding of medical ninjutsu.

"A healing method like this might not even compare to creation and regeneration..."

"Even my grandfather's medical ninjutsu couldn't compare..."

The grandfather Tsunade mentioned referred to Senju Hashirama.

What was most striking about Hashirama was his unparalleled power, so the level of his medical ninjutsu was often overlooked by the world.

But Tsunade knew that her grandfather's medical ninjutsu was far superior to hers, which she had studied for years.

The best medical ninjutsu created and regenerated by Tsunade was merely a replica of Hashirama's self-healing effects.

However, even the ninja god might not be able to regenerate severed limbs.

If it was transplanting a severed limb, Tsunade could understand because she could do it too.

But the severed, bleeding limb sprouted flesh and quickly grew into a new, white, and soft limb. This was completely beyond her understanding.

Suddenly, Tsunade felt dizzy, and her body unconsciously started to feel nauseous.

And in that memory, the hateful memories began to resurface in her mind.

Her younger brother, Naoki, was killed by an explosive tag. His death was so tragic that even his internal organs were destroyed.

His entire body looked like a disassembled doll.

Tsunade's spirit collapsed when she saw this scene.

Her boyfriend, Kato Dan, was even more miserable.

Kato was severely injured, and the wounds on his body couldn't heal at all. He bled to death in front of her.

Tsunade's spirit was completely shattered. The unhealed wounds and unstoppable bleeding were illusions that often appeared before her.

This caused her to suffer from hemophobia.

This is why Tsunade did not appear on the front lines during the Third Ninja World War.

After that, even to save people, Tsunade herself never took action.

Until now, facing a major crisis in the village, she had to take action.

"It's okay if it's this far away..."

Tsunade's body swayed and was about to fall, but at that moment, her body suddenly stopped.