The Uchiha Clan's chakra was vastly different from that cultivated by ordinary shinobi.
Even an ordinary two-tomoe Sharingan, once awakened into a Mangekyō Sharingan, would instantly grant its wielder immense chakra reserves. Obito from the original story was proof enough.
A complete dead last, after suffering a devastating mental blow, underwent a qualitative transformation and actually became capable of fighting the Fourth Hokage!
"Yes, Mr. Yū!"
The moment he heard that he could go to the battlefield and that Uchiha Yū would personally serve as his instructor, all the exhaustion from his training vanished. All he wanted now was to desperately uncover his talent and rapidly improve his strength!
While Uchiha Yū had been busy, the front lines had not been idle. Ōnoki had been injured in their previous clash, but two weeks had been enough for his wounds to improve considerably.
Hatake Sakumo led his troops back to the border of the Land of Fire to prevent an invasion, but Ōnoki's offensive was far more aggressive than the Third Raikage's!
Kumogakure had been extremely arrogant in its battle against Konoha. They had split their forces in two and still dared to launch an attack. Even if they were a bunch of brainless brutes, their advance was bound to be slowed, leaving Konoha time to react.
But when facing Iwagakure, the enemy had been biding its time all along. There had been virtually no large-scale battles, much less widespread losses!
As a result, the attack they launched far surpassed the pressure on Orochimaru's front, both in scale and intensity.
This meant that shinobi who had only just withdrawn from one battlefield had to be sent elsewhere to prevent further invasions.
This time, to deal with Iwagakure, Konoha deployed a full third of its shinobi forces, including shinobi from all the