C188 Supreme Arts

At this moment, Su Ling stood solemnly before the Copper Wall. His keen observation told him that this was no ordinary wall. The copper exuded an aura of antiquity, suggesting it had stood for centuries, perhaps even a millennium.

The wall bore the marks of time, its surface marred by ancient yellow rust. Su Ling reached out, peeled away a flake of the corroded metal, and held it in his palm