Seriously wounded...
What... was going on?
Uchiha Nobuhiko furrowed his brow tightly and gently pressed the mask over Obito's face, its left and right sides respectively pale and yellow, as he reached a conclusion.
Yet the conclusion he reached after examining the injuries filled Uchiha Nobuhiko with confusion.
To be honest, he had considered the possibility that Uchiha Obito might fail to bring back the Nine-Tails—for example, if he were defeated or held up.
But he had never imagined that Uchiha Obito would return seriously wounded, with one arm severed.
And judging from the mark on his back, it seemed that the Fourth Hokage had been the one to strike him.
However, Uchiha Nobuhiko had long studied the complexity of Jinchuriki seals. He had seen such seals more than once or twice. In one of his lives, he had even been born as Iwagakure's Four-Tails Jinchuriki.
He had merely died of illness less than a year after becoming a Jinchuriki.
Even the seal on the Four-Tails Jinchuriki had been extraordinarily complicated, let alone the Nine-Tails Jinchuriki's seal—the most orthodox Four Symbols Seal.
He absolutely did not believe that, by the time Uchiha Obito infiltrated the village and found where the Nine-Tails Jinchuriki was hiding, Minato Namikaze had already been able to restore the Jinchuriki seal completely.
Besides, Uchiha Nobuhiko, who had suffered as a Jinchuriki, knew that a weakened seal did not merely make its structure easier to break down. Its binding force also weakened. Once that binding force dropped, the tailed beast would absolutely not stay docile. Its struggles would further accelerate the collapse of the seal structure. Repairing a weakened seal required not only stabilizing its structure, but also suppressing the tailed beast's destruction. It was no simple matter.
It would definitely take a great deal of time.