C921 Netherworld Sea

Yu Kun stumbled, nearly tumbling to the ground.

The Netherworld Sea!

Yu Kun was well aware of this place. More than that, he was intimately familiar with it, having only encountered it within the Illusion Realm of the Prison Suppressing Chains. But now, Qian Qiuyue was bringing it up, sending a wave of inexplicable shock through him.

"The Netherworld Sea..