Things were easier said than done.
The Abyss was definitely no smooth thoroughfare. On the contrary, it was the definition of barren hills and untamed rivers. Sui Xiong hurried on his way with his entire family, and he had to stop constantly to move away the blocking world. If it were a smaller world, he would push it to the side. Although it required a lot of effort, it didn't bring any aftermath. If it was a slightly bigger world, it would be impossible for him to push it away, but he had to fight through it.
Earlier, he had shattered the hell-like world that had lava flowing all over. Not only did he kill the monarch of devils in that world, but the world itself was also broken into three pieces.