Inferno in the Great Desert

Deep in the desert, the bone core awakens, and a tide of sand-bone beasts devours the oases. Lu Chen, a warrior of Tribe X, accidentally activates a jade pendant passed down through his family, and it resonates with Alicia of Tribe S. Within her is the remnant soul of her mother, whom Williams has been treating as a "vessel."

Williams controls sand-crystal warriors with blood-sand potions, sacrifices the living to the bone core, and even rewrites history to stoke ancient tribal hatred. As the secret of the Reverse Entropy Formation comes to light, the truth behind the three commandments of the Sandkeepers and the Soul-Calming Bone Flute gradually becomes clear. Only then does Lu Chen realize that this so-called holy war is merely the continuation of a thousand-year conspiracy.

Double agents lurk in the shadows, the Temple of Memories conceals betrayal from a past life, and the sand-crystal furnace smelts the souls of the innocent. Every counterattack comes at a cost, and every ring carries a blood debt. When Alicia's silver-bird totem merges with the light of Lu Chen's reverse-entropy markings, they will finally face the ultimate sacrifice. Deep within the bone core, what lies sealed: the Sandkeepers' salvation, or a curse that will destroy the world?