Lu Yin’s eyes narrowed. Since he wasn’t able to use his Cosmic Art, he was unable to see through the true form of the grey wind. Without any other choice, he could only do what Grandini and Xia Ye had done before him; black battle force lined with purple stripes exploded out and covered his body. A moment later, he used Flash to disappear into the void before reappearing before Chao Zhi and kicking out.

“Three-lined battle force?” someone exclaimed in surprise.

Everyone stared at Lu Yin in shock when he revealed his battle force; there were very few students in the Astral Combat Academy who possessed this much power.

Frankfurt gaped in shock. He only had two-lined battle force himself, and yet, he had killed Lu Yin in a single blow some time ago. How had this person advanced so far in such a short period of time?

There was a loud rumble, and Chao Zhi took several steps backwards. The ground cracked from the sheer impact of Lu Yin’s kick. As the gales of grey wind swept over Lu Yin, the battle force covering his body cracked. Shockingly, even three-lined battle force was not able to completely resist the destructive effects of this wind. It was no wonder that Calcifer had instantly died to it.

The gales continued to buffet the arena plains until even the void wasn’t able to take it anymore. Small lines of shattered space streaked down like raindrops, tearing through the ground.

The three-lined battle force covering Lu Yin’s body started...