Hinata's entire body flushed red, radiating scorching heat that left her in agony. Her face twisted as she struggled to say to Qingyun, "Teacher, it hurts so much!"
"Hinata, hold on. This is something you have to endure to fuse your Bloodline!"
Seeing how much Hinata was suffering, Qingyun opened the Vertical Pupil in his forehead. The instant it opened, a rich gray light spilled out and enveloped her completely.
With the gray light surrounding her, Hinata's expression eased considerably. Only then did she begin circulating the internal force of the three cultivation techniques within her, steadily fusing Otsutsuki Toneri's Bloodline into her own to strengthen it.
An unknown amount of time passed. Hinata's aura grew increasingly powerful, and her Bloodline reached an unimaginable level of purity. Even her milky-white Byakugan emitted a hazy white glow. Gradually, some unknown change seemed to take place in her eyes.
Yet just as Hinata's Byakugan was about to evolve, the energy within her suddenly ran dry. Her face contorted in pain, and her entire body began convulsing violently.
At the sight, Qingyun immediately thought, This is bad. Hinata was at a critical stage of her Bloodline's evolution, and the sudden exhaustion of her energy not only prevented her from completing it, but also caused her evolving Bloodline to instinctively absorb any energy it could find. It kept extracting energy from the cells in her body to fuel its evolution.
If this continued, once all the energy in Hinata's cells had been extracted, her life force would be exhausted, and she would die.
Just as Qingyun prepared to draw a sliver of the Five-Clawed Golden Dragon's Origin of power from within himself and inject it into Hinata, a special chakra Origin suddenly appeared in the sky. It plunged straight into her Baihui point and