Primarily, it was because the beast king had been killed, leaving the fierce beasts clueless about what to do or whether to press the attack.
Furthermore, many of the beasts had already been terrified out of their wits. Previously, they were held in check by the beast king's dominance, so everything remained orderly; but now that the beast king was dead, there was no one left to restrain them.
As a result, these beasts began retreating in droves. Yet the beasts in the rear were still surging forward, and the collision between the two forces directly triggered a massive stampede.
Chapter 690