Hagoromo had always thought the Sharingan was merely a power derived from the Ōtsutsuki bloodline. He had never imagined that these eyes would be the key to standing against his mother.
"There's one crucial thing you must remember."
Gamamaru's expression turned utterly grave, his small face solemn as he slowly revealed the most vital secret.
"As a member of the Ōtsutsuki Clan, Kaguya consumed a God Tree Fruit. She has now reached a state approaching true immortality."
"Even if your raw strength surpasses hers in the future, you still won't be able to kill her."
Those words exploded like thunder in the brothers' ears.
Hamura immediately furrowed his brows and hurried to correct him, a trace of displeasure in his voice.
"Gamamaru, you've misunderstood. We've never wanted to kill our mother."
"All we ever wanted was to stop her obsession, end the endless sacrifices, and save innocent people. Nothing more."
Even though his mother had long since descended into obsession and madness, he still refused to entertain the thought of killing her.
Hagoromo fell silent for a moment, then nodded gently, tacitly agreeing with his younger brother.
Gamamaru neither argued nor dismissed his words. He simply nodded and continued explaining their only way forward.
"That's precisely why I'm telling you that Kaguya cannot be killed."
"To stop Kaguya for good, put an end to all her atrocities, and prevent the world's destruction, there is only one way-sealing."
"Sealing?!"
Hagoromo's eyes suddenly lit up. Seizing on the crucial point, he quickly asked, "How do we seal her? How can we train to gain the power to seal our mother?"
This was their only hope now, their last chance to save the world.
Gamamaru raised a forefoot and pointed at Hagoromo's eyes again, every word clear and precise.
"All of Kaguya's power,