Ishizu watches over Odion and recalls the events of her and Marik's past. Meanwhile, at the duel, Yugi thanks Kaiba for letting him get Slifer in his hand so quickly. Yugi summons Big Shield Gardna in defence position and he places one card facedown. Kaiba draws and summons Z Metal Tank and fuses it with his XY Dragon Cannon to summon XYZ Dragon Cannon. XYZ attacks and destroys Big Sheild Gardna, but Yugi activates Soul Rope, allowing him to pay 1000 Life Points to special summon a monster from his deck, so he summons King's Knight. Since both the King's and Queen's Knights are on the field, Yugi special summons Jack's Knight from his deck. Kaiba sets two cards and ends his turn. On Yugi's turn, he sacrifices his three knights to summon Slifer the Sky Dragon, who has an attack and defense of 3000. Slifer attacks XYZ, but Kaiba uses Interdimensional Transporter to remove XYZ from the game until the end of the turn. Yugi sets one card, reducing Slifer's attack and defense to 2000 and end...