In the martial dao world, there indeed exists the kind of space arts where Mount Sumeru is contained within a mustard seed. Space arts are incredibly mystical, and many spatial experts have exceptionally profound cultivating in this regard.
Jiang Chen, in his previous life, was considered well-versed. Even on the Divine Abyss continent, he wasn't unfamiliar with space arts.
However, this time, Jiang Chen was both surprised and deeply impressed.
There's no denying that Jiang Chen had no prior knowledge of this arrangement.
"From ancient times, the universe has been vast within one's sleeve, and the years long within the jug. Many powerful masters could sweep half the landscape into their sleeves, or gather stars and the moon into a single jug. This Alchemy Cauldron must belong to a master highly skilled in Alchemy."
Thinking of this, Jiang Chen's heart instead calmed down.