The Sea Spirit Race Grand Elder and the others had already fled far away the instant Xu Yan attacked, afraid of being caught in the fallout.
At this moment, watching the terrifying might of the Ten Directions Annihilation Sword from afar, they saw Blood King Li's avatar perish in an instant, the Heavenly Cave swept flat, and that streak of blood light vanish.
Their hearts were shaken. The remnants of aura from the sea region where the Realm Gate had once been surfaced in their minds. Only after witnessing it with their own eyes did they understand just how terrifying Xu Yan's sword was.
What Gao Xueming had said had not been exaggerated. If anything, it had been insufficient to describe the might of this sword path!
Sword God Xu Yan was truly peerless beneath heaven!
With one sword, he had swept the sea region flat, slain Blood King Li's avatar, and suppressed the Heavenly Cave.
Moreover, even an Immortal Celestial Venerable would feel a sense of danger upon approaching the lingering might of that sword path.
Rumble!
All of a sudden, a rumbling sound came from a distant place.
The Sea Spirit Race Grand Elder's expression changed. The other great Heavenly Caves in the Azure Sea Realm were in turmoil, and could fall at any moment.
He looked at Xu Yan, gritted his teeth, and flew before him.
"Esteemed Sword God Young Master Xu, this old man is the Grand Elder of the Sea Spirit Race. I beg you to help my Azure Sea Realm sweep away the danger from the Heavenly Caves. The treasures preserved by my Sea Spirit Race are open to Young Master Xu, who may choose whatever treasure he needs!"
"Whatever treasure I choose?"
Xu Yan could not help but look at the Sea Spirit