Ryūshiki continued explaining the truth behind dōjutsu power.
"Taitō awakened the Rinnegan and developed rare dōjutsu. Well, let's leave Futsunomitama aside. What matters here is the other one, a dōjutsu that marked a turning point in our clan's destiny-'Wood Flower Stream.'"
"Wood Flower Stream is the dōjutsu that produces the Ten-Tails. Taitō absorbed too much life force and became a 'Dōjutsu Beast' called the Ten-Tails. After going berserk, he devoured many of our clansmen, then became the God Tree and even bore a Chakra Fruit."
"..." Isshiki had already told Kaguya all this, but she did not interrupt. She continued listening quietly.
Ryūshiki said, "As our clan understands it, the God Tree's Chakra Fruit is a concentration of extraordinary amounts of chakra and genetic material. In later generations, our clan used Chakra Fruits to continually refine our genes. But these secrets only came to light after someone ate the fruit."
"At the time, no one knew what would happen if they ate it."
"And because so many clansmen had died when Taitō became the Ten-Tails and went berserk, people generally regarded the God Tree and its fruit with fearful reverence, keeping their distance."
"But the lure of the unknown always drives someone to take a risk." At this point, a hint of mockery crept into Ryūshiki's voice. "An obscure clansman ate the fruit, determined to succeed or die trying. Later, he became the First Hanging Root King, whose name would endure through the ages."
"From then on, the power of reincarnation contained within the fruit officially became the First Hanging Root King's power. As his bloodline spread throughout Takamagahara, it became part of our clan's inherited power..."
"As our genes were refined and adjusted over successive generations, both the Sharingan, its initial form, and the Mangekyō Sharingan, its transitional form,