Void Mirrors

As the lightning approached, the sword tip began to glow with a brilliant light.

The light formed a taijitu but the colours weren't black and white.

Rather, they were a strange combination of purple and yellow.

"Duality of violence and gentleness." Yu Nianzhen muttered under his breath.

At the same time, the purple-yellow taijitu expanded and its diameter reached one metre.

"What's that?" A spectator couldn't help but wonder.

"It looks like a yin-yang symbol but…" A female cultivator said and frowned.

"Why is it purple and yellow?" Someone concluded.

"Is it a shield?"

"I have never seen anything like it."

"Neither have I."

"We will soon know."

"Look…, fellow Daoist Gong's lightning is about to touch the strange symbol." Someone exclaimed excitedly and everyone turned to the martial stage.

"That strange symbol looks flimsy and definitely can't block the blue lightning."

"I also think…"