Adventure.

The two fists collided and generated a light shock wave repelling the water drops hanging in the void. The impact of the attack was so strong, that Valerian was directly flung back for ten meters before he could stabilize himself. While he was surprised about the strong impact. 

The grandmaster on the side seemed to be shocked. He did not expect this kid to be able to withstand his attack. Although he did hold back some power it was still not something that could would not harm this guy. He sensed light sensation in his knuckles, he asked, "You are a grade four warrior?" 

Valerian stood up and gazed at his numb arm, he chuckled and said, "Oh, what fun." 

Then he raised his head to look up at the man in front of him and he moved in again. He gave up on using the collar chains and cast a spell, 'Petra Chirothecam.'