After obtaining five Demon Core Stones, Xu Yi immediately returned to Spring Flower Sea. He gathered the three remaining demon generals and ordered them to lie low for a while and not leave without cause. Then, after reporting to King Pingding through the Leopard Seal, he went into seclusion.
To avoid being disturbed during his seclusion, Xu Yi did not choose the demon palace in Spring Flower Sea. Instead, he left alone.
He rose straight out of the sea, then rode the wind through the air. Using the Starry Sky Sea-Gazing Technique, he pierced through two layers of demon mist. After more than ten days, he had traveled hundreds of thousands of li and found a deserted island offshore. He used his divine sense to search every inch of the tiny island, which was barely a dozen li across. Only after confirming no one lived there did he set foot on it and head straight southwest.
Xu Yi's divine sense was powerful. He had already detected a deep ravine there.
Xu Yi leaped into the ravine and carved out a temporary stone chamber along one side.
With his divine sense as it was now, he could almost carve out a neat, spotless temporary alchemy room with a mere thought.
Once the stone chamber was complete, the next step was to construct two rather complex arrays with astonishing defensive and concealment properties.
It took Xu Yi half a day to finish constructing the arrays. After testing them, he took a soft couch from his mustard seed space, lay down, and fell into a deep sleep.
He slept for a full five days. When Xu Yi awoke, he was refreshed and brimming with energy, in an almost perfect state.
Xu Yi sat cross-legged and swallowed a Demon Core Stone.
As soon as