Who The Hell Is This Kid?

Grey didn't reply to the young man's words. When the young man tried to come close to him, he unleashed the gravitational force trying to catch the young man off guard, but the young man seemed to have been monitoring him for a while, so when he noticed this, he retreated without hesitation. 

He stood and looked at the young man who was standing opposite him. The darkness domain the young man had made him one of Grey's toughest opponents so far. Other than that man from another realm who almost killed Grey, this young man was the strongest. 

The young man smiled when he saw Grey's expression before sending out a series of lightning bolt attacks at Grey. 

Grey dodged the attacks as he countered as well. 

With a fireball and fire beams, then there were the inscriptions that were also sending out attacks.