Twelve days passed, and Xu Xuan had refined most of the Nether-Sense Pearls.
He had refined two hundred deep-blue pearls and nine silver-white ones. His Spirit Sense had now grown nearly forty percent stronger; even an ordinary ninth-level Qi Refining cultivator would probably struggle to match him.
The most obvious benefit of his improved Spirit Sense was his control over flying swords. Now, while wielding Constant Light against an enemy, he could divide his attention to control Cinnabar Thunder or Hidden Spring, executing sword moves with either one.
When he used the Marsh-Traversing Dragon-Rising Art to manifest the Thunder Marsh again, his control was finer than before. Whether wielding Sword Qi or performing secret arts, everything flowed more smoothly and answered his will.
Some Nether-Sense Pearls remained. Xu Xuan had intended to refine them all, but he now felt that he had reached a bottleneck. Refining more yielded so little benefit that it was almost useless.
"I'm afraid these silver and deep-blue Nether-Sense Pearls only work at the Qi Refining level. Once I reach Foundation Establishment, I'll have to refine golden ones to see any significant growth in my Spirit Sense."
After a brief consideration, he cast all the remaining silver-white pearls into the blood markings Tiantuo had become. Only then did Tiantuo respond, gradually waking.
"The taste of souls. What is this?"
Having just awakened, Tiantuo did not know what Spirit Treasures Xu Xuan had acquired, so he asked first.
Xu Xuan recounted everything he had seen and heard over the past few days. What puzzled him most was still this place's origin and the uses of the Nether-Sense Pearls.
"So it's this. A spiritual treasure from the Deep Abyss, monopolized by a few Monster-kind clans in the Southern Sea. I never expected you to find any."
"The origin