C682 Subduing the Holy Orb One

From Merman Emperor's eyes, Mu Wuxin seemed to see a hidden deep sadness.

However, she didn't ask any further.

Merman Emperor looked at the gloomy river in front of them and led Mu Wuxin to swim down.

After about half an hour of swimming, Mu Wuxin felt her body getting colder and colder, even though she had not reached the Holy Orb yet.

Even though she had the Heavenly Flame on her body