"Teacher." Tang San spoke, his tone carrying both hesitation and resolve.
Yu Xiaogang looked up. Seeing Tang San, the wrinkles on his face eased slightly. "Little San, why are you still up so late?"
Tang San sat across from Yu Xiaogang. After a moment of silence, he said, "Teacher, I want to add a Soul Ring to the Clear Sky Hammer."
The feather pen in Yu Xiaogang's hand stopped. He slowly set it down, his expression turning grave.
"No."
"Teacher—!"
"I said no!" Yu Xiaogang's voice was not loud, but it left no room for negotiation. "Little San, I know what you're thinking. You think the Blue Silver Grass is too weak and want to focus on cultivating the Clear Sky Hammer instead. But have you forgotten? I told you before that there is an ironclad rule in cultivating Twin Martial Souls: before the first martial soul has all its Soul Rings attached, you must never attach even a single Soul Ring to the second martial soul."
"But I'm already level thirty-five." Tang San's voice tightened. "Teacher, ever since Nuoding Academy, my soul power has been improving more and more slowly. The quality of the Blue Silver Grass martial soul is what it is. Its efficiency in absorbing the energy of heaven and earth is far inferior to those top-tier martial souls. I heard that in Element City, there's someone named Bing Yekong who isn't much older than me, yet he's already a Soul King. If I keep cultivating step by step like this, by the time of the tournament, I won't even be qualified to stand before him."
Yu Xiaogang fell silent.
It was not as if he did not understand Tang San's anxiety. In fact, as Tang San's teacher, his anxiety ran even deeper.
He had poured the