After hearing Yui's explanation, Orochimaru understood for a moment. "So that's how it works? No wonder."
He looked up at Yui and nodded thoughtfully. What shocked him most was not the method of transmitting sound underwater, but her claim that she had thought it up while diving.
She could simply think something up and put it into practice successfully? That was terrifying!
Nai Hyuga stood beside them, listening to Yui's explanation and nodding to herself. She had wanted to ask as well, but since the timing had been wrong, she had set the question aside.
Now that Orochimaru had asked, it saved her the trouble later.
"Using chakra to generate sound waves... Hmm, yes. That does sound feasible!" She planned to experiment with it when she had the chance.
"Orochimaru, is this the Ruin? I've been searching for ages, but I still haven't found the entrance." Yui activated her Byakugan and scanned their surroundings. Unfortunately, she found nothing unusual.
Whether mechanisms or hidden doors, nothing of the sort appeared in her Byakugan's field of vision.
Since the Byakugan revealed nothing, Yui deactivated it to stop wasting chakra.
"What? Even the Byakugan couldn't spot anything unusual?" Orochimaru came back to his senses, briefly scanned the murals on the rock wall, and sighed thoughtfully.
He took a few steps forward and ran his palm over the rock wall. It felt cool to the touch, a perfectly normal temperature.
He examined the surroundings again, but still found nothing.
Watching Orochimaru, Yui shook her head helplessly. She had already examined that spot. There was nothing unusual there; it seemed to be nothing more than an ordinary mural.
A few minutes later, Orochimaru returned and shook his head helplessly at the two women. "I've looked everything over. There really isn't anything unusual."
"Then what should