Generally speaking, different worlds had different degrees of stability. The most stable were naturally main worlds like the Ancient Barrens Continent, virtually the highest planes among countless dimensions. They possessed the most complete Heavenly Dao Laws, and who knew how many peerless great powers had been born there? The formations they left behind protected the Ancient Barrens Continent layer upon layer, allowing it to withstand battles at the Celestial Realm level and even higher without shattering.
Next came lower main planes like the True Martial Realm. In essence, they were the same as the Ancient Barrens Continent, only their levels were not as high, and the level of power they could withstand varied as well.
Then there were some demi-planes. Such planes were often born attached to main planes and were generally fairly stable. What was truly unstable were Space Channels carved open like this, which could collapse at any moment. The power of spatial storms was itself an exceedingly terrifying force; stabilizing them alone was already difficult, let alone forming such a vast battlefield. That was simply not something ordinary people could accomplish.
There was hardly any need to guess that some supreme great power from the Demon Realm had acted. After all, the human side wished nothing more than for this Space Channel to collapse outright. If that happened, the Ye Family could free up an enormous amount of strength and become one of the Ancient Barrens Continent's foremost powers in the blink of an eye.
As for the Demon Realm, it seemed that its vitality had been damaged by its last invasion of the Ancient Barrens. Although a very, very long time had passed, it had still never launched another large-scale assault. While the fighting within this rift remained as fierce as a raging tide, compared to