Sasuke was startled to see Hinata's Tenseigan. Although Young Sasuke had never seen the Tenseigan himself, he had heard Naruto from his own era mention it. He had never expected Hinata in this era to possess it, especially at such a young age. My friends in this era all seem incredibly strong. The Fifth Hokage is no exception. I tried to control her with an illusion earlier, but even my Rinnegan had no effect. I really can't underestimate the people of this era.
As soon as Hinata activated her Tenseigan, she began gathering the surrounding natural chakra, preparing to unleash the Eighty Gods Vacuum Attack. This was her first time facing the Rinnegan, and she had no idea how powerful it was. But these were the eyes of the Sage of Six Paths, after all, so she intended to go all out and open with her strongest technique.
Everyone was startled by Hinata's mounting power. Young Sasuke hurriedly shouted, "Wait, Hinata! Are you trying to destroy the entire village?" He had witnessed the power of this technique before. Back then, Kaguya had nearly killed him and Naruto in a single strike with it. Had she not wanted their chakra, they might well have died.
Although Tsunade did not know exactly how powerful the technique was, she could not tell its strength from Hinata's presence alone either. She hurriedly shouted, "Stop, Hinata!"
Hinata froze for a moment before slowly reining in her power and abandoning the Eighty Gods Vacuum Attack. Only then did everyone breathe a sigh of relief. After Tsunade caught her breath, she launched into a furious scolding that left Hinata looking utterly pitiful.
"I didn't mean to, Lady Tsunade," Hinata said, aggrieved. "I saw that man's Rinnegan, and I don't know how powerful it is. Naruto only told