"Ha ha ha, of course, I'm a fireball!" Hearing Mirai's praise, Sarutobi Hiruzen laughed proudly.
However, Sarutobi Hiruzen indeed had every right to be proud of raising such a simple Earth Style technique to this level. There were probably only a handful of people in the entire shinobi world who could do the same.
Sarutobi Hiruzen laughed heartily as he watched Mirai walk over to touch the rock wall he had created, repeatedly testing its hardness. Unable to hold back a chuckle, he said, "Well, Mirai, those rocks are real. You'd better try the Earth Wall-Piercing Technique yourself. If you succeed, you can touch them all you want when you get home!"
"Heh," Mirai said self-deprecatingly. He knew the Third Hokage was looking down on him for never having seen the world beyond the village. Still, Mirai paid it no mind. He gave the rock wall two more hard slaps to make sure it was intact, then returned to the Third Hokage with satisfaction and prepared to use his Earth Style technique.
Seeing that Mirai was about to begin, Sarutobi Hiruzen could not help reminding him, "Pay attention to the rhythm of your hand seals. Their rhythm will also affect the flow of chakra. Also, watch how much chakra you have. Don't covet a taller rock wall and neglect your chakra reserves. Chakra exhaustion is no pleasant experience!"
Mirai nodded in understanding, closed his eyes, and once again confirmed the details of Sarutobi Hiruzen's hand seals. Mimicking him, he completed the four seals at the same rhythm. Then, he felt a large amount of foreign chakra in his mouth. He casually spat it out, scattering mud before him. It seemed to take root and sprout, rising from the ground before instantly forming a three-meter-high rock wall.
Though it was still