Téa Gardner and Mai Valentine ' s Duel Téa Gardner and Mai Valentine faced each other in a game of " Duel Monsters " outside of Maximillion Pegasus ' s Castle , in the " Yu - Gi - Oh ! " anime . It is based on a similar Duel from the " Yu - Gi - Oh ! " manga . Events . Prior . Yugi Muto was still devastated after his loss to Seto Kaiba and losing his chance to save his grandfather , and vows to never duel again . Mai appears before them and after hearing about what happened , decides to give Yugi five of her star chips . Tristan points out that without those star chips she won ' t gain entry into the castle , but Mai reveals she has won ten of hers and the five are extras . Yugi however refuses , so Mai decides to duel him for it . When Yugi does not respond , Mai gets annoyed until Téa offers to duel in Yugi ' s place , and Mai accepts . Duel . Turn 1 : Téa Téa Normal Summon s in Attack Position . Turn 2 : Mai Mai Normal Summons in Attack Position . " Harpie Lady " attack s and destroy s " Petit Angel " ( Téa : 2000 → 1300 LP ) . Mai then Set s a card . Turn 3 : Téa Téa draws . She then Normal Summons in Attack Position . Téa ' s hand contains a second copy of " Petit Angel " , " Breath of Light " , " De - Spell " , " Silver Bow and Arrow " , " Waboku " , and " Magician of Faith " . Téa then Sets a card . " Fairy ' s Gift " attacks " Harpie Lady " , but Mai activate s her face - down " Rose Whip " and equip s it to " Harpie Lady " , increasing the latter ' s ATK and DEF by 300 ( " Harpie Lady " : 1300 → 1600 / 1400 → 1700 ) . " Harpie Lady " destroys " Fairy ' s Gift " ( Téa : 1300 → 1100 LP ) . Turn 4 : Mai Mai draws . Mai ' s hand contains an unknown Magic Card , " Harpie Lady " , " De - Spell " , " Harpie ' s Feather Duster " , and " Cyber Shield " . Mai Sets a card ( " Harpie ' s Feather Duster " ) . Turn 5 : Téa Téa draws in Attack Position . Turn 6 : Mai " Harpie Lady " attacks " Shining Friendship " , but Téa activates her face - down " Waboku " to prevent her monsters from being destroyed by battle this turn and reduce all battle damage she takes to 0 . Turn 7 : Téa Téa draws " Magician of Faith " and subsequently Sets it . Téa then activates " Silver Bow and Arrow " and equips it to " Shining Friendship " , increasing the latter ' s ATK and DEF by 300 ( " Shining Friendship " : 1300 → 1600 / 1100 → 1400 ) . Turn 8 : Mai Mai activates " Cyber Shield " and equips it to " Harpie Lady " , increasing the latter ' s ATK and DEF by 500 ( " Harpie Lady " : 1600 → 2100 / 1400 → 1900 ) . She then activates " De - Spell " to destroy " Silver Bow and Arrow " ( " Shining Friendship " : 1600 → 1300 / 1400 → 1100 ) . " Harpie Lady " attacks and destroys Téa ' s Set . The Flip Effect of " Magician of Faith " then activates , letting Téa add " Silver Bow and Arrow " from her Graveyard to her hand . Turn 9 : Téa Téa draws " Elf ' s Light " . She then activates " Silver Bow and Arrow " and equips it to " Shining Friendship " , increasing its ATK and DEF by 300 ( " Shining Friendship " : 1300 → 1600 / 1100 → 1400 ) . Téa then activates " Elf ' s Light " and equips it to " Shining Friendship " , increasing its ATK by 400 and decreasing its DEF by 200 ( " Shining Friendship " : 1600 → 2000 / 1400 → 1200 ) . Téa then activates " De - Spell " to destroy " Cyber Shield " ( " Harpie Lady " : 2100 → 1600 / 1900 → 1400 ) . " Shining Friendship " attacks " Harpie Lady " . Mai is about to activate " Harpie ' s Feather Duster " , but decides not to . " Shining Friendship " destroys " Harpie Lady " ( Mai : 2000 → 1600 LP ) . Turn 10 : Mai Mai tries to activates " Harpie ' s Feather Duster " , but ultimately surrenders the Duel . Aftermath . Mai gives Yugi the star chips and the group head up to Pegasus ' s Castle .