Nüwa and Houtu's return was not simply because their journey of experience had ended. After all, only two or three years had passed, and they had only set foot in a few major regions.
That number was hardly worth mentioning compared to the Inner Universe, which contained at least a hundred major regions.
Moreover, those hundred-odd major regions were only the ones currently explored within the Inner Universe. Many areas lay beyond terrifying forbidden lands, and with those forbidden lands in the way, cultivators of the Inner Universe had no way to investigate them.
However, according to beings who had emerged from some of those forbidden lands, even they did not dare enter the regions beyond lightly. In particular, there were certain areas where even Immortal Realm powerhouses would perish after entering.
This was not a rumor, but a fact. Quite a few of the Immortal Realm powerhouses who had descended to the lower realm before had fallen in those unknown regions.
Nüwa and Houtu had originally been headed for those areas, but after suddenly sensing the summons, they had no choice but to return to Blue Star.
As for what had summoned them, Wang Xian did not need to ask. It was definitely the Nüwa and Houtu within the Primordial World dungeon.
After the Primordial World dungeon fused, new versions of Nüwa and Houtu had appeared, and both were Immortal-level Bosses.
"Are you sure there won't be a problem?"
Wang Xian looked at Houtu and Nüwa with some concern. The Nüwa and Houtu in the Primordial World dungeon were now Immortal-level Bosses, while the Nüwa and Houtu before him were merely Emperor-level Bosses.
By all logic, the Emperor-level Nüwa and Houtu would definitely be devoured by their Immortal-level counterparts.
He and the Emperor-level Nüwa and Houtu could already be