Duke eyes widen to Yugi's realization and explanation. "That magician said that they went to deal with it. Maybe they dont know! Is there a way you can get ahold of him?" Duke asked. Not wanting Yami to possibly make a mistake. 

Yami knew that sort of thing when he Yugi was his vessel basically. When he was near a shadow creature or felt someone who had energy from the Shadow realm, he would take over, being that part of Yugi who wanted to act. To protect Yugi. Looking to the Lost god, the Pharaoh seemed to have him. "I wouldn't know. The only thing I can think that can stand up to a god, is a god. For that I need Slifer."