After a while.
The White Snake Sage frowned, her eyes filled with even greater amazement at his talent. His body was like a bottomless pit, still absorbing sage power at a terrifying rate.
This was the purest sage power the White Snake Sage had refined over a thousand years of cultivation. Its quality was far beyond ordinary Chakra.
"Th-this... he won't burst from taking in too much, will he?" Tagorihime asked worriedly.
"A greedy human like him would be better off dead!"
"But Granny seems to think highly of this human. Isn't he being treated a little too well?" Tagitsuhime said.
The three sisters fell silent for a moment, staring at Boruto in astonishment. The amount of Chakra his body was receiving far exceeded that of every trial-taker in the past thousand years.
While maintaining the terrifying rate of infusion, the White Snake Sage sighed. "I've already lost about a tenth of my power, yet I still haven't reached your limit?"
Boruto said nothing and continued calmly accepting the power. He guided the sage power into every corner of his limbs and body, leaving no gap untouched.
Perfectly filling himself.
He had originally possessed the sage body of a pseudo-Sage of Six Paths. Now, this power was more like something that shattered his shackles—and the restraints of humanity's limits.
One-tenth of the White Snake Sage's power was roughly equivalent to a hundred years' worth of sage power. It was power that surpassed even the Tailed Beasts, pure and mighty.
This showed that his limit was not confined to that of a Jinchuriki.
...Another half-quarter of an hour passed.
The White Snake Sage's already frail body became even more shriveled. Losing such an amount of sage power had likely injured her very foundation.
Boruto, too, knew when to stop and ended