Hassan attacks Tiamat, forcibly introducing the concept of death to her and making her vulnerable. However, as Ritsuka and his Servants attack Tiamat, she summons high class Lahmu to defend herself as she climbs her way out of the Underworld. Ritsuka and his Servants are quickly outmatched by the power of the new Lahmu until Gilgamesh arrives in his Servant form. Gilgamesh is able to suppress the Lahmu and force Tiamat back down into the Underworld. In response, Tiamat creates a "Nega-Genesis" field in order to restart the universe...