It could even penetrate the barrier between the Ten Nations Continent and the Demon Realm, let alone the Heavenly Hub Armory.
Back then, didn't the Great Demon Yao Lian of the Demon Realm use a fake imperial cauldron to enter the Ten Nations Martial Arts Tournament battlefield, which was the Zhuling Grotto-Heaven? If he hadn't encountered Zhou Shu, he would have probably slaughtered the armies of the Ten Nations cleanly.
Zhou Shu's plan was to use the replica imperial cauldron to sneak into the third level of the Heavenly Hub Armory.
This was also why Zhou Shu and Shi Changsheng had different thoughts. Shi Changsheng's first thought was to get a key. Zhou Shu wanted to cross the wall directly!
Seeing that Zhou Shu didn't listen to his advice, Shi Changsheng muttered, "You'll suffer if you don't listen to the old man."
The Longevity Sword circled around Zhou Shu before sneakily flying into the distance.
