The process of cultivating Sage Techniques did not go smoothly at first.
Naruto was always unable to precisely control the absolute ratio between his own mental energy, physical energy, and Natural Energy, causing his Sage Chakra to go out of control, and his body showed signs of petrifying into a fox.
Fortunately, Teacher Nine was there. He directly drew the Natural Energy out of Naruto's body, which was enough to interrupt the loss of control.
As time passed, after about seven days, Naruto was finally able to steadily refine and synthesize Sage Chakra.
It was also on that day that, as Naruto carefully accumulated Sage Chakra, he finally succeeded in entering Sage Mode once.
Although he could barely maintain it and immediately dropped out almost the moment he entered, it still counted as a success.
By the time he had been practicing Sage Mode for a month, Naruto had finally grown gradually familiar with refining Sage Chakra, and could gather enough Sage Chakra to enter Sage Mode within an extremely short time.
At last, he could apply Sage Mode in real combat.
In reality, Naruto used the reflection formed by the waterfall's current to observe what he looked like after successfully entering Sage Mode.
The contours of his body and facial features had not changed much. It seemed Naruto's control in cultivating Sage Mode was relatively perfect, without many signs of mutation.
The only changes were at the corners of Naruto's eyes, where orange eyeshadow had appeared, the same color as Kurama's fur. Aside from that, his pair of blue pupils had also turned into orange fox-like vertical pupils.
"So this is the Sage Mode of the Nine-Tailed Sage Technique!"
He sensed the state of his body. Under Sage Mode's enhancement, his body and chakra, already extremely powerful after years