Yang Qing and the others returned to the hall where the Tomb Keeper had originally been.
Unlike when they had entered the Imperial Mausoleum, this time there was one more person behind them.
After Gongsun Ze absorbed Yang Qing's blood, the iron cage that had imprisoned him opened on its own.
More precisely, the cage opened automatically the moment the pale blue light vanished from Gongsun Ze's eyes.
Earlier, Yang Qing and the others had secretly examined the chains and cage, discovering that there were no joints or even the slightest gaps.
The metal used to forge the chains was not the ordinary iron they had seen before, either, but the exceedingly rare Heavenly Mountain Snow Iron.
Heavenly Mountain Snow Iron was exceptionally hard, impervious to water and fire.
Even blades and swords might not leave the slightest mark on it.
Yet the chains and cage forged from this indestructible Heavenly Mountain Snow Iron seemed to turn into a soft mass the instant the pale blue vanished from Gongsun Ze's eyes, shrinking away and disappearing.
But in the instant Yang Qing turned his head, he seemed to see those chains streak behind Gongsun Ze like a long snake.
The chains disappeared incredibly quickly. In a single flicker, they were gone.
Yang Qing thought his eyes had deceived him and did not dwell on it.
As the chains and cage vanished, the passage and stone walls that had trapped them also changed rapidly.
By the time Yang Qing and the others came to their senses, they were already back in the area where the Tomb Keeper stood.
The Tomb Keepers clearly had not expected Yang Qing and the others to emerge so quickly, safe and sound. Traces of astonishment still lingered on their faces.
Yang Qing and the others had rescued