She appears in the Valley of Howling Winds, one of the optional boards of the second round.
After defeating the opponents in the first round, Mai appears as an optional opponent for the second round.
- One-Eyed Shield Dragon
- Mechanical Snail
- Wicked Dragon with the Ersatz Head
- Flame Manipulator
- Harpie Lady x2
- Jigen Bakudan
- Before the battle begins, Yami Yugi tells Mai she can't put perfume on her pieces to help her, like she did at Duelist Kingdom. This is a reference to First Duels where Mai put different perfumes on her cards.
- Mai can be considered the most difficult of all the Tier 2 duelists due to the fact that the wind plays a key part in her board.
- Mai only has two Harpie Lady capsules, but in order to acquire the Harpie Lady Sisters capsule, a second playthrough is required so the player can get a third Harpie Lady capsule for the fusion.
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