As the final day of the WDC preliminaries begins, Nistro and Dextra quit the WCD committee in order to start collecting Heart Pieces. Spotting Nelson, in his Sparrow getup, who had accumulated several Heart Pieces himself, Nistro challenges him to a duel. Nelson manages to summon the Rank 10 Xyz Monster, Super Dimensional Robot Galaxy Destroyer, but Nistro manages to summon his own Xyz Monster, Heroic Champion - Excalibur. Then, Nistro uses Excalibur to destroy Galaxy Destroyer, allowing him to win the Duel. Yuma asks why Nelson was dueling as the Sparrow, and he said that it was because he wanted his enemies to by psyched out because they were dueling the Sparrow.