C210 Inverted Yin and Yang

"That's the aura of the Netherworld. It'll be gone soon." Lil 'White sensed it and immediately made a decision.

"Azure Underworld Sword!" Wang Baoyu pondered over the name, and then asked in surprise, "Could this thing be related to the Ghost Clan?"

"The Blood Soul Sand is a product of the Ghost Clan, and it might even exist in the Soul Soul-Seizing Desert between the Profound Realms