If one were to do the math, Chen Heng had already been to many worlds by now. Hence, he had a certain level of understanding of the worlds' structure.
The worlds' structures were very different due to various internal rules. However, he could still understand their regular patterns. For example, the void before him was something that would exist in every world.
The world itself was like a living being, constantly changing and growing but at a very slow pace. This growth was multifaceted. It would absorb the vitality of the outside world, as well as drawing energy from the source to supply itself. It would also capture and fill itself with various substances from the outside world.