On three sides was the forest, with a towering rock face ahead at the training ground, and Ruri stood in the center of the field.
Adjusting her breath, she slightly lowered her body, for she could instantly manipulate the Chakra in her body and the Natural Energy merged into her flesh with just a thought, transforming it into the nature of fire. Therefore, with just a single Seal, Ruri completed the release of the Fire Style Ninjutsu.
"Fire Style: Great Fireball Jutsu!"
The surrounding temperature rose sharply, the air filled with scorching energy, and then at a speed visible to the naked eye, the air began to distort. The massive and blazing fireball roared forward.
The moment this fireball appeared, it made one unable to summon the will to resist. In terms of diameter, it was at least more than eight meters.
In the eyes of others, the areas the fireball passed through began to warp and bend.
A long, deep arc track was carved into the ground, charging forward at an extreme speed, and with a loud boom, it collided with the towering rock face ahead.
Even the power of dozens of Explosive Tags exploding together was not as immense as that of this single fireball.
The rock face was hollowed out into a spherical crater slightly larger than the fireball's diameter, and the searing flames still spewed from the cracks in the rock, dyeing the hard stone a fiery red and emitting scorching steam.
If someone were standing nearby, just breathing through their mouth could burn their airways.
"So this is the amplification brought by the Immortal Technique?"
Ruri looked at her hands, feeling somewhat different from the Immortal Technique Fire Style she released a few years ago. The amplification power wasn't as strong as before, but it was more stable.
"How does it feel, the prototype Immortal Technique?"
Hakushi walked over from the side, smiling as he asked Ruri.
"Everything's fine except for the power."
"There's no helping it; this is a prototype Sage Mode, reducing the amplification abilities of Taijutsu, Illusion Techniques, and Ninjutsu. On the other hand, its performance is absolutely safe. My experiments are always based on stability."
Hakushi explained.
"So, mastering the complete Sage Mode means further enhancement is possible, right?"
"That's right, after all, it's a prototype Sage Mode, and there's room for improvement in many areas."
But just from the Ninjutsu release earlier, it could be seen that even under the prototype Sage Mode, the power amplification of the Fire Style was considerable.
Under normal circumstances, the diameter of Ruri's Great Fireball Jutsu was about four meters, but after entering the prototype Sage Mode, the diameter of the Great Fireball increased to over eight meters.
The power has increased by several times at least.
"It doesn't matter; power that can't be controlled can't be called power. This is more than enough for me to squander."
Ruri clenched her fists, feeling the formidable power within her body. Her physical and mental states were both better than normal.
This Sage Mode, known for its stability, could be used for continuous combat, unlike defective products that show side effects after a period of maintenance, making it more suitable for her display.
Hakushi smiled and remained silent.
"As long as you're satisfied, do you still need Sage Art Chakra for testing other techniques next?"
Hakushi continued to ask.
"No need to trouble yourself; from the Great Fireball earlier, I already know the limit of this Sage Mode's enhancement of Ninjutsu. Next is Taijutsu."
Ruri replied.
"Do you need experimental subjects?"
Hakushi asked.
"I've already found the perfect offering."
After saying that, Ruri disappeared from her spot.
At the edge of the training ground, the lurker hiding in the soil watching secretly saw this scene and immediately sighed inwardly.
Because he couldn't hear Ruri and Hakushi's conversation, and since they had their backs to him, he couldn't read their lip movements, so he didn't know what the two were discussing.
But he could directly see Ruri experimenting with the Fire Style Ninjutsu, the C-rank Great Fireball Jutsu becoming extraordinarily terrifying. It was evident that the other party had mastered some powerful means to multiply the power of the Great Fireball Jutsu.
This important information must be transmitted back.
However, before he could retreat, he saw Ruri disappear from his field of vision, knowing that his whereabouts might have been detected.
Immediately, he began to move backward through the soil, ready to escape.
The next instant, the sound of the earth shattering rang out in the forest, dust scattered, a large number of rocks flew, and from the cracked earth, the lurker jumped out with a shocked expression.
Amazed by the casual blow from Ruri.
This Monster Strength Jutsu... he had only seen it on Tsunade, one of the Sannin.
When did this Uchiha girl master this Monster Strength Jutsu?
What in the world is going on?
"I was wondering who it was, turns out to be a little mouse from the Root."
Ruri stood at the outer rim of the pit, speaking to the Root Ninja who had exposed himself, her gaze sharp as a blade, making the Root infiltrator feel immense pressure.
Thus, the face under the mask of this Root Ninja was drenched in cold sweat. Before he could make any moves, Ruri once again vanished before his eyes.
He wanted to find Ruri's figure, yet there was nothing in front of him. In the instant of the atmospheric explosion, his body flew like a cannonball toward the training ground where Ruri had previously tested the Immortal Technique.
After harshly contacting the ground, he created a crater, and he stood up trembling from the pit, his entire body covered in blood, his right arm twisted and bent, completely crippled.
The mask on his face also cracked and fell to the ground, revealing a young male face with blood at the corner of his mouth.
He looked at Ruri slowly walking out from the woods, seemingly having plenty of time to deal with him, without any concern that he would escape from here.