Bone Douluo slapped his thigh, his voice rough and booming. "I've lived nearly a hundred years, and this is the first time I've heard that a martial soul can evolve like this! Not through soul rings, not through Immortal Herbs, but by eating weapons? Is your martial soul some kind of glutton?"
"Uncle Gu." Ning Fengzhi set down his teacup, a helpless smile in his voice. "Watch your wording." Yet the shock in his eyes was no less than Bone Douluo's.
He turned to Su Mo, his tone growing more serious. "So long as you have sufficiently good weapon materials, your martial soul can theoretically evolve without limit?"
"That's the theory. However, the speed at which it absorbs essence depends on the gap between the martial soul's current quality and the weapon's material. The greater the gap, the slower the absorption. The smaller the gap, the faster it is. So you can't reach the heavens in a single step; you have to replace them one level at a time." Su Mo withdrew his martial soul and picked up the longsword, which had returned to silver-white. "This sword is made from good enough material to last me for quite some time."
Sword Douluo had been staring at the sword in Su Mo's hand. After a long silence, he finally spoke slowly. "When you awakened, your martial soul was the Broken Sword, and your Innate Soul Power was only rank two."
His tone did not sound like a question, but rather like he was confirming something whose answer he had long known. "And now, the quality of your martial soul surpasses that of more than ninety percent of people!"
"Su Mo, can this method of yours, this Soul Weapon Fusion, be used on our sect's Seven Treasure Glazed Tile Pagoda?"
"Can I