"My Great Chiliocosm World is just one of the weak worlds?" Zhong Shan said gravely.
"Yes!"
The people in the pavilion fell silent!
"How weak?" Zhong Shan asked gravely.
"Second among the Three Realms' weakest worlds!" Emperor Xuan Sha said solemnly.
"I understand." Zhong Shan nodded.
"Then what is the battlefield of Beyond the Heavens?" Zhong Shan asked again.
"It is a battlefield opened within Wuji. The successive generations of experts from the Great Chiliocosm World went there to keep the invasion of the Strongest World outside the Great Chiliocosm World! It is a place opened by numerous experts called 'Beyond the Heavens,' and it connects the four realms." Emperor Xuan Sha explained.
"The entrance to Beyond the Heavens is in the Profound Continent, as I recall. Emperor Shi Tian didn't return from the Profound Continent!" Zhong Shan said in confusion.
"Correct. Emperor Shi Tian returned from the Heavenly Demon Realm!" Emperor Xuan Sha nodded.
"Oh?" Zhong Shan was slightly taken aback.
"The Heavenly Demon Realm seems illusory and real at once. It is the accompanying realm of every world. To give an analogy, it is like the halo outside the shell of a Night-Luminescent Pearl. The Great Chiliocosm World is the pearl, while the Heavenly Demon Realm is the halo. On the battlefield of Beyond the Heavens, Emperor Shi Tian's physical body was destroyed, leaving him unable to return to the Great Chiliocosm World. But he had made arrangements long ago and set up an earlier formation. As long as someone broke it open, his soul could be transported to the Heavenly Demon Realm, from which he could return to the Great Chiliocosm World!" Emperor Xuan Sha explained.
"In other words, people from Beyond the Heavens can invade the Great Chiliocosm World through the Heavenly Demon Realm?" Zhong Shan