Mahad was had noticed the Pharaoh's horse as they had arrived. Both himself and Mana worried for Zhara. Atem could feel the power that was being emitted and it was worrying since she had never let out this much power before. Which meant that Atem needed to intervene. "Come forth all mighty one, Slifer the Sky Dragon!!" 

Lightning and thunder being summoned as the mighty sky dragon, Slifer descended from the heavens. The god being above the Pharaoh and the Priests as it charges a blast at the hooded figure that Zhara was up against and fired the blast at their monster.