Hold Tight to Ning Zhuo's Thigh

Green Bamboo Peak.

Inside the cave dwelling, Qing Huangzi stood before the shrine with a solemn expression, explaining the general circumstances of his lineage to Ning Zhuo.

Empty Valley Sound Mechanism Reed Pipe!

That was the name of this mechanism-art inheritance.

Its original source was the Bamboo Mountain Sect.

This sect had long since ceased to exist. Back then, its mountain gate came under attack. The enemy's methods were exceptionally clever, inciting internal strife within the sect. Before they ever met the enemy, most had fled in panic, leaving behind only several cultivators loyal to the sect who would rather die in battle.

There were too few cultivators, and their defenses were breached all the way through. In the end, they huddled within the bamboo forest in the valley.

At the critical juncture between life and death, two of the surviving cultivators—one proficient in music, the other skilled in mechanisms—worked together to swiftly alter the bamboo forest, turning certain sections of bamboo into sound whistles.

When the enemy charged forcefully into the valley, the cultivators activated their formation, summoning a great wind that swept through the bamboo forest. The bamboo whistles shrieked in response, releasing countless sound blades that curled around the bamboo stalks and slaughtered the enemy until blood flowed across the ground.

The enemy launched several assaults, yet failed to overcome them every time, suffering grievous losses.

There was another solution: uproot the bamboo forest and deprive the other side of its support. Yet their leader remembered that every bamboo plant was a spirit plant of immense value, so he chose to endure and proceed slowly.

Even the Bamboo Mountain Sect's Main Mountain Gate had been breached, leaving only this valley behind.

At the time, war was the prevailing theme of the entire cultivation world. After occupying this