"How is it? Lively, isn't it?"
Taiyuan patted Ye Buqu on the shoulder. Ye Buqu nodded obediently, his gaze constantly roaming over their surroundings.
"Look, Unrivaled City has opened."
A sudden cry of alarm rose from the crowd below. The layer of light covering the enormous city before them vanished, and with a thunderous rumble, the entire city began to operate.
Unrivaled City, the greatest mechanism city in the world, had been created by the foremost puppet master of ancient times. This puppet master had once used three puppets to slay an Emperor—a Nine Tribulations Loose Immortal—and thus became famous throughout all antiquity.
In the end, he created this mechanism city. Later, he gathered weapons from across the world, eventually collecting the ten strongest weapons under heaven and sealing them all within the main hall of the mechanism city.
Furthermore, three terrifying Loose Immortal-level puppets guarded the main hall. The mechanism city opened once every ten million years.
Besides the main hall, the mechanism city had other areas as well. They opened once every ten million years, and each opening lasted for a hundred years. There were no treasures within the mechanism city—not a single one.
But there were books. Some contained peerless martial arts, while others were sacred tomes of alchemy. In short, any book that had vanished into the river of time could be found here.
All of them had been painstakingly collected by that puppet master. Every building was guarded by puppets. Whenever the mechanism city opened, outside cultivators could enter; accordingly, the puppets would activate and automatically maintain order within the city.
Outside cultivators could claim these places for themselves. The books within a claimed area could be read freely, but they could neither be damaged nor taken outside.
It could be said that as long