"Boom!"
The thunderous rumble sounded like an exploding thunderclap.
Zhang Weiyi thrust his palm forward, about to press it against Lian Youming's chest, but the instant that explosive sound reached him, a stabbing pain suddenly pierced his heaving heart and lungs, as though an invisible sword had struck across the air.
He was not the only one.
Feng Xiong, Chen Changle, Yu Wuming, and the two successors of the Yue Maiden Sword beside him all felt the same stabbing pain in their hearts and lungs.
"What the hell kind of trick is this?"
The one-eyed elder of Sun-Style Taiji also murmured.
"Could it be another secret technique passed down with the Zhongnan Elixir Sword?"
Although they stood far away, even they felt their beating, expanding and contracting hearts and lungs falter slightly.
"A Sound Strike technique? No, that's not right." The Chen Family Elder tapped his pipe stem, his expression growing animated. "This seems like..." The leader of Li-Style Taiji blurted out, "Good heavens, he's actually projected the rhythm of his surging inner strength through sound, striking straight at his opponents' hearts and lungs... how is that possible!"
Sound Strike released the momentum of inner strength through the mouth and tongue, but such an attack required both deep internal breath and powerful inner strength to achieve anything.
Yet Lian Youming could injure people invisibly with nothing but the internal breath surging through his chest and abdomen. How was that possible?
His physical body was extraordinarily powerful, but even that ought to have limits.
If he really could do that, why bother fighting? He could simply stand there, draw a few breaths, and be invincible.
But beneath that strange rumble came a series of muffled sounds.
"Thump, thump..."
They were heartbeats.
As those heartbeats rose like pounding drums, the six fighters'