Maybe before one was human, and then became a Cybertron, or perhaps a cat lady with a dog's tail and so on.
The Core of Chaos is not absolute chaos, but order generated from chaos and disorder; otherwise, it wouldn't encompass the scope of the Chaos Furnace.
So this World Bubble can be used as a random generator for transformation. Zheng Yichen could even use this World Bubble to create a special machine, where if someone throws something in, it can spit out a new item.
It could be better or worse, for example, getting a wrench with cutting attributes or a mace with healing attributes and so on.
Zheng Yichen took out some other materials and then made a machine. Then he clapped his hands, "Alright, this thing is for you to play with."
