Yet Dragon Abyss Flood Dragon King's body bore no injuries whatsoever. Its blue scales still gleamed with dazzling spiritual light, like a suit of iron armor.
Ling Chengxia, standing atop its enormous head, was the first to make a move.
The five Golden Core cultivators on the island were all far from ordinary, so he dared not be careless. He directly summoned the two top-tier mid-grade Lifebound Magic Treasures that had entered the Third Rank Middle Grade—the Yin Profound Mirror and Yang Profound Mirror.
The two mirrors merged into one, becoming the superior Lifebound Magic Treasure, the "Yin Yang Transformation Profound Treasure Mirror."
With a flash of spiritual light, a black-and-white sphere the size of a human head flew from the mirror's surface.
It contained Yin Profound power and Yang Profound power, and its aura was terrifying beyond compare.
The five Zhang Clan cultivators on the island all changed expression drastically at the sight.
The aged Golden Core Completion cultivator, Zhang Renli, reacted fastest. With a hand seal, the Third Rank High Grade magic shield around him immediately expanded, enveloping the two nearby Golden Core Middle Stage cultivators, Zhang Mingxuan and Ming Dong.
At that very moment, the Yin Yang Transformation Profound Ball had already struck. It slammed into the shield's barrier, then exploded. The Yin and Yang Profound powers within detonated against one another, erupting with multiplied force and directly blasting ripples across the shield's light barrier.
A deafening boom rang out.
Boom!
Zhang Renli was horrified by that power.
That Yin Yang Transformation Profound Ball's might was at least comparable to a full-force strike from a Golden Core Middle Stage cultivator.
Yet Ling Chengxia, standing atop Dragon Abyss Flood Dragon King's head, was only at the Golden Core Second Layer.
To possess such an attacking method at that