Space-time ninjutsu was just that silent and imperceptible.
Even Kakashi Hatake, who possessed the other half of the same pair of Mangekyō Sharingan, failed to react in time. He had been hiding underground to avoid the bombardment from Kakuzu's two wind-and-fire heart puppets when a sudden alarm went off in his mind. Sensing an abnormal fluctuation of Chakra, he burst from the earth just in time to see Yamato being swallowed by rings of spiraling space-time ripples, vanishing from where he stood—
At the same time Yamato was sent into the Kamui Dimension, the "mysterious man" appeared gracefully amid those ripples, dressed in a black robe patterned with red clouds and wearing an orange one-eyed spiral mask.
At that moment, the whirlwind explosion caused by the Rasenshuriken crashing into the ground was just beginning to subside. Naruto Uzumaki, who had transformed into an intangible being of wind and storm, returned to normal and dropped down from midair. Somewhat exhausted, he wiped the sweat from his forehead. Using both the Wind Transformation Technique and the Rasenshuriken at once was no easy feat, especially when both were new techniques he had only recently mastered—back when he had been training them, he would constantly create hundreds or even thousands of Shadow Clones to speed up his practice. If they had not recently gained Yamato as a new teammate, capable of using the Wood Release Technique to suppress the Nine-Tails' rampages, his parents and Kakashi-sensei would never have allowed him to push himself so recklessly.
His body had not yet fully recovered, and now he had used two new techniques at such intensity. Even Naruto Uzumaki, tough as iron, felt waves of weakness wash over him.
Still, he had successfully dealt with the enemy—
It was just a shame that he had failed to