Chapter 510: Breakthrough to Fourth Grade Sword King!

Slowly, a terrifying whirlpool of Spirit Energy was formed in the sky. The gigantic whirlpool could be seen clearly as it slowly stirred-up.

Gu Duxing and the others could clearly see the shape and the color of this whirlpool!

They looked at each other in dismay. They slowly drew back, and stopped two hundred feet away. They stood there and waited to see from afar.

Spirit Energies from all directions were madly rushing over, and were getting mixed with this whirlpool. In fact, the spirit energy had started to appear like green smoke as they floated in the sky. However, an increasing amount of the spirit energy was coming over into the whirlpool like moth flies into the flame!

The rotation of the whirlpool was slowly speeding up!

It had started to move slowly, and had eventually gained more and more speed…