"Correct."
Lumen said, "After the disciples of Ninshū mastered chakra, many of them could not freely perform techniques as the Sage of Six Paths did. Indra therefore broke down complex chakra transformations and used hand seals to assist the flow of chakra."
"Through different combinations of the twelve basic seals, practitioners could achieve transformations of different natures and forms."
"This method lowered the threshold for using techniques and became the foundation of the later ninjutsu system."
Tobirama was proficient in ninjutsu development and understood better than anyone how astonishing this creation was.
Ninjas forming hand seals seemed perfectly natural, but it was actually tied to the entire ninjutsu system.
Without the aid of hand seals, the vast majority of ninjas simply could not control chakra steadily, much less perform complex ninjutsu.
What Indra created was not a single secret technique.
It was a complete method that allowed all ordinary people to use chakra.
"To create the hand-seal system at such a young age."
Tobirama's voice grew heavy.
"With that kind of talent, he was indeed qualified to inherit Ninshū."
Lumen continued, "Everyone in Ninshū thought so as well."
"Indra was the eldest son. His talent surpassed everyone of his generation, his character was resolute, his actions were steady, and his strength far exceeded that of every other Ninshū disciple."
"From childhood, he had aimed to inherit his father's position. He never slackened in training, and he never made a mistake in handling Ninshū affairs."
"In everyone's eyes, Indra becoming Ninshū's successor was only natural."
Hashirama asked, "What about that trial?"
"Indra went alone to the place where the God Tree's remnants were located."
Lumen said, "The area had fallen into chaos due to the God Tree's lingering power, something ordinary people had no way to handle. After arriving, he quickly