Witnessing what had happened to the fox demon couple, Wu Yu was ready to make a move.

Even the most easy-going person could be angered, let alone the fox demon couple.

For them to reach this level of cultivation realm, they definitely weren't the kind that would swallow all grievances. The Green Fire Flaming Boar had left them in miserable states, wanted to force himself upon Zi Zhen Demon King and even injured Zi Quan Demon King to the brink of death! If Wu Yu was to help them, they would definitely not turn around to help the Green Fire Flaming Boar.

Green Fire Demon King was a 5-heavens demon king. For Wu Yu, it was too easy to handle him. Nonetheless, they were still in the Fiendish Underworld Metropolis and couldn't cause a commotion in battle. If this matter was leaked, they might be fine but Jiu Ying could be implicated and their enemies would be alarmed.

Therefore, Full Moon of Nanshan, Ye Xixi and Wu Yu decided to strike together!

"Void Reversal!"

Just as Green Fire Demon King forced Zi Zhen Demon King to change to her human form and impose himself upon her, Wu Yu came out of...