Six Paths Madara was already hard enough to deal with, let alone Kaguya Otsutsuki. One careless move, and people would definitely die.
So Hiko was hesitating over whether he should let the Ten-Tails appear, whether he should allow Black Zetsu's plan to succeed. If he wanted to, all he had to do was stand by and watch. Black Zetsu and Uchiha Madara would surely find another way even if they could not obtain the Nine-Tails.
Do not forget that Uchiha Madara also knew the Impure World Reincarnation Jutsu very well. This was clear from how easily he had broken free of its control in the original story. The Nine-Tails was by Hiko's side and could not be touched casually, so they could only find a substitute.
Although the Ten-Tails created this way would be somewhat undernourished, it was still better than not having the Ten-Tails appear at all, right?
An undernourished Ten-Tails was still the Ten-Tails. Its strength would merely be somewhat reduced due to the absence of the Nine-Tails, which would not have much impact on the Infinite Tsukuyomi Plan. Black Zetsu believed that as long as Kaguya Otsutsuki was revived, everything could be resolved.
As for Uchiha Madara, he cared even less. What he wanted was to become the Ten-Tails Jinchuriki as soon as possible, then deal with Hiko.
Of course, that was assuming Uchiha Madara was revived. The current Uchiha Madara had no idea that Hiko had already awakened the Rinnegan.
Sunagakure had been attacked and suffered heavy losses. The news was sent out immediately, reaching the frontline battlefield and landing in the hands of Rasa and Grandma Chiyo.
"What?!"
Urgent intelligence had arrived from the village, and Rasa and Grandma Chiyo examined it at once. However, once they learned the full sequence of events, neither of