C2619 The Power of the Heaven Calamity Pearl

The great water ox let out a long howl towards the sky, and then, Niu Thirteen's mouth opened slightly. Following that, a terrifying cow-cry came out from his mouth.

"Moo!"

Terrifying sonic waves were instantly emitted from his mouth, shaking the huge beast below!

Horrifying sonic waves rumbled down to the surface of the sea. The sea was vaporized a few meters away