"Kid! What are you doing here? What about John and the others?" Instructor Yates scolded in a harsh voice when he saw Rio appearing beside him. It seemed that Instructor Yates had almost used up all of his energy in the fight against Kollur. If he made a slightest mistake, he would be killed directly by Kollur from the front. Therefore, he did not know what was happening in the nearby area at all. Even though the Ghost Soldiers' high-explosive shells made very loud sounds of explosion, he did not hear anything at all. Just then, Kollur began to charge toward them waving his claws. Rio snorted and thrust out his palms. Numerous flames appeared out of nowhere between them, completely blocking Kollur's way. Feeling the blazing heat of the flames, Kollur immediately took two steps back in