Kaiba couldn't help but laugh. Oh this amazing. A true opponent at last! Oh how he missed this. The laughing died down before looking back to the guy. "Oh this is going to be fun!" He the summons another monster. "Black Luster Soldier! Show this guy who he's messing with!" The black and green armored soldier stood between seto and the man. Upon Seto's order, charged the Black Knight with sword and shield. 

Yami shook his head. "That's I do not know. All I knew was there was someone standing over you and I rushed to you aid." He slowly helped Serena sit up, he leaned in closer to check the would she took to the head. He noticed her pendant glowing, carefully held the pendant in the palm of his hand before looking to Serena. It was as if the world stopped for him. Who knew what he would have done if something happened to her. 

Joey helped in the effort, his monster working off monsters right and left as Dark Magician Girl picked them off too. The monsters were slowly dwindling.