An Assassin

"So strong!" Martha exclaimed. 

She didn't have any time to answer the old man's words, she herself was stunned beyond words. Not just her, even Lucas was speechless. 

"Isn't this a bit too much?" He muttered to himself. 

Even though he knew having all elements would make Grey powerful, this was beyond his expectations. At most, he felt maybe Grey would be able to fight against five people on the same stage as himself. Although having more elements meant he was more versatile, it didn't change the fact that the people he was fighting against were all at the Peak of the Sage Plane, the same stage he had forcefully increased his strength to. 

The old man looked at the shocked expressions of his son and Martha and knew they had no idea Grey was this powerful. 

He paused for some time before saying, "Stay on guard, don't let them act against him."