"Bring him here immediately!!!"
If the Third Hokage had not said Danzo might have fled to the Land of Rain, Hikaru would have almost forgotten about this matter—that was Yamato. If Danzo had gone to the Land of Rain and joined the Akatsuki, then to avoid being killed, he would definitely find a way to offer the Akatsuki some help. Yamato was the sacrificial pawn. After all, he had fused with Hashirama's cells.
"Go bring him back."
Although he had no idea what kind of madness Hikaru was having, suddenly acting so strangely, the Third Hokage still had the Anbu bring Yamato back.
Unfortunately, Hikaru did not hold much hope. He had not been in the village before, so Yamato might already be gone. Danzo would certainly need a reason to join the Akatsuki. Once Black Zetsu learned that reason, it would know Yamato was someone fused with Hashirama's cells. Yamato would then become one of the Akatsuki's assets against the Five Great Shinobi Villages: an endless army of White Zetsu.
Even if Yamato was still just a child and not very strong, lacking the immense vitality needed to create as many White Zetsu as in the original story, even half that number would be enough for the Allied Forces of the Five Great Shinobi Villages to suffer.
Just look at how much trouble the White Zetsu army had caused the Allied Forces of the Five Great Shinobi Villages in the original story.
Especially the two White Zetsu personally created by Madara Uchiha—they were the truly troublesome ones. Damn it, they could even bring out Wood Style Ninjutsu that only Hashirama Senju could use in Sage Mode. That was outrageously overpowered.
Although the White Zetsu were not truly using Sage Art: Wood Style: True Several Thousand Hands, was the difference