Watching the enormous monster slowly walk into the darkness deep underground, Xiao Buli did not dare to chase after it. Although the monster hadn't attacked them, just the sight of its size and the various signs of its appearance made Xiao Buli realize it should not be underestimated, especially since it was able to override the Heavenly Dao. This was the first time he had encountered such a thing. Even his master, Xuanxu Zi, had to follow the rules; since this creature could disregard the system's rules so blithely, it was obviously at least one level higher than Xuanxu Zi. He did not believe he could defeat an entity even more powerful than those from the Immortal Realm.
But what did that sentence it said mean? "What is destined to happen, will happen." The sentence sounded a bit convoluted, but Xiao Buli knew it probably wasn't a system glitch. Perhaps, because of its appearance, something terrible was about to occur.