The Land of Demons lay far from Konoha in the Land of Fire, almost halfway across the shinobi world.
For Zou Hyuga and the others, there were only two ways to reach the Land of Demons: overland through numerous small countries, or directly across the sea by ship.
After considerable deliberation, Kakashi, their captain, chose the overland route.
Following the unrest in Kirigakure, the waters near the Land of Water were no longer safe. Their squad had no fear of missing-nin, but they worried that their ship might be destroyed, causing the mission to fail.
Once their route was decided, the ANBU Squad traveled day and night toward the Land of Demons.
According to the Third, a demon named Moryo existed in the Land of Demons, sealed away by successive generations of priestesses. If it broke free, it would devastate not only the Land of Demons but the surrounding countries as well.
On the night they reached the Land of Fire's border, Oto Uchiha approached Zou Hyuga while they were setting up camp and asked for more detailed information about the Land of Demons.
In Oto's eyes, Zou Hyuga knew many secrets unknown to the rest of the shinobi world.
Zou Hyuga casually offered a few details. As time passed, his memories had grown increasingly hazy, and there were some details he could no longer recall.
He only remembered that Moryo possessed power comparable to a tailed beast's.
"Power comparable to a tailed beast's..." Oto Uchiha nodded, paused, then asked, "Comparable to the Nine-Tails, or the Two-Tails?"
"..." Zou Hyuga fell silent. He could not answer that question.
"Probably only on the level of the Two-Tails..."
"That's good." Oto Uchiha inwardly sighed in relief. She had only ever witnessed the Nine-Tails and the Two-Tails. The rampaging Nine-Tails had nearly destroyed