In Yu-Gi-Oh! World Championship 2008, he first appear as the person who was suppose to get the card "Nova Summoner" from Gellenduo. Later, when the player encounter Gellenduo, they told you that they lost the card and ask for the player's help. The player later encounter Airknight Parshath in the courthouse and he is wondering what happen to Gellenduo, as they were suppose to deliver him the card. The player gave the card, but he think the player stole the card which lead to the "Nova Summoner Card Robbery Case". Voltanis the Adjudicator acting as the judge of the case, he ask the player if the player stole the card and by refusing to say yes, he convict you guilty. To prove the player's innocent, the player must beat or lose to the judge. By beating the judge, Airknight Parshath and Voltanis the Adjudicator can be unlocked as a single duel opponent in Free Duel. By losing to him, they will not be unlocked and the player will not have a second chance to get them. By beating the judge, the judge think the player are still guilty, but Gellenduo come in and prove the player's innocent by saying they ask for the player's help. The judge change his convict into not guilty and Airknight Parshath forgive the player, as he misunderstood what the player were doing with the card. By beating him ten times in Free Duel, he can be unlocked as a tag partner.