Compared to the Netherworld Ghost Fire, the Nine Nether Demon Fire's power is even greater. Not even the Demon Saint-level Heavenly Demon Dragon, an overclass demonic beast, dares to touch it directly—it can only nest beside the Nine Nether Demon Cave, absorbing the overflow of Nine Nether Demon Fire energy that seeps out every so often. However, this situation changed completely after the appearance of Heaven-Defying Demon Emperor Mu Chenxuan and his two companions.
More than a decade ago, right next to the lair of the Heavenly Demon Dragon, a gigantic space-time portal suddenly appeared. The Heaven-Defying Demon Emperor Mu Chenxuan, the Bull Demon King, and the Six-Eared Macaque emerged from the portal, causing a tremendous spatial shockwave that woke the slumbering Heavenly Demon Dragon.
