This was refined by Xu Yunfan after gathering the essence of Yin Clouds and deathly qi from the edge of the Sea of Suffering, at great expenditure of effort.
Han Shi poured his mana into it, and the grayish mist abruptly spread outward, swiftly permeating the area. Its aura blended perfectly with the eternally lingering gray, decayed clouds above the Netherworld, becoming indistinguishable from them.
Han Shi's figure swiftly vanished into the region blanketed by Nether Cloud Qi, disappearing completely.
He concealed all his aura, as though he had become part of the cloud qi itself. Through gaps in the clouds, he watched the Bone Island in the distance, the seemingly dying behemoth upon it, and the cold Dao Fruit radiating fatal temptation.
On the Cloud Platform of Divine Firmament Palace, Xu Yunfan had his eyes tightly shut, yet through the Attribute Panel's forced-control link, his mind quietly observed the surging Sea of Suffering.
Han Shi lay in wait above a massive blood-wave vortex eight hundred li away. Perfectly hidden by the cloud qi, he said nothing, his expression blank.
Xu Yunfan knew what Han Shi was thinking.
The other man was slowly shifting from anger to fear.
Fear of the layers upon layers of killing arrays Xu Yunfan had laid down.
Han Shi repeatedly calculated in his heart: if he took that dragon's place and faced Xu Yunfan's successive array formations, would he have even the slightest chance of survival?
The answer was despairing. Absolutely not.
The path of arrays was the art of using the smallest force to leverage the might of heaven and earth, transforming it into overwhelming slaughter.
What was more, Xu Yunfan had deeply studied both arrays and array artifacts. What he had set up now was an incomparably powerful thunderous killing array, its offensive