The Spirit of the Deep Sea, also known as the Sea Spirit Cauldron, ranked tenth on the Heavenly Cauldron Ranking. Its original form was a wondrous stone from the depths of the sea. Resting on the seabed, it had absorbed the ocean's essential energies over countless years, gradually taking on the shape of a cauldron under the sea's cleansing touch. Unlike ordinary medicine cauldrons, it had not been crafted by human hands, but had formed naturally through the workings of nature. Its very existence could be called a marvel of the natural world.
The Sea Spirit Cauldron contained exceptionally rich water-attribute energy, allowing it to filter out unstable elements in certain medicinal ingredients on its own and improve the chances of successful refinement. Thanks to its special properties, the pills refined within it would also have relatively gentler medicinal effects.
At the thought of this possibility, a trace of fervor filled Xiao Yan's eyes. He approached the blue-gray stone and tossed the medicinal ingredients Zi Yan had brought into the large opening at its center, then channeled the nine nether illusion demon flame into the smaller holes above it.
At this sight, Zi Yan and Qing Lin both froze. They exchanged glances, each seeing the bewilderment in the other's eyes. Even Qing Lin entertained the rather disloyal suspicion that her young master had shut himself away cultivating for so long that he had gone stupid. Who used a stone to refine pills...?
Unlike Qing Lin and Zi Yan, Xiao Yan was inwardly ecstatic. Although he was merely refining those Energy Pills rather than actual medicinal pills, he could still feel that extracting the medicinal ingredients' essences with this stone was considerably easier, and the pills formed much faster as well.
Not only that, but when he channeled Dou Qi into