Chương 558: The Carefree, Uninhibited Back

"Merely mediocre?" repeated Mo Kongyuan leisurely as he shook his head. "Tens of thousands of years ago, there was once a monster beast frenzy and tens of millions of powerful monster beasts flooded into various countries. Never mind each of the individual country's armies, even each individual country's guardian was helpless against them."

"How powerful. What happened later on?" It was the first time that Ling Chuxi had heard of this secret happening and asked for more information in curiosity. If even the guardians were helpless, one could imagine how much stronger those monster beasts were as compared to those she had personally encountered.