Ancient Fairy Dragon ( character ) Ancient Fairy Dragon is a Duel Monster Spirit , who is one of the servants of the Crimson Dragon , often referred to as the Signer Dragon s . Luna is the Signer associated with Ancient Fairy Dragon . The " Ancient Fairy Dragon " card was in possession of the Dark Signers , until Luna defeated Devack with Leo ' s help and claimed the card back . The only other humans that have come in to contact with her are Jack Atlas , Tetsu Trudge , Yusei Fudo and Leo . Biography . History . 10 , 000 years ago , Ancient Fairy Dragon served the Crimson Dragon and fought alongside it and the other Signer Dragon s in the ancient battle against the Crimson Devil , Red Nova . 5 , 000 years ago , Ancient Fairy fought with the other Signer Dragons in the battle against the Earthbound Immortal s . The dragons managed to seal the Immortals within the Nazca Lines , but Uru grabbed Ancient Fairy Dragon with its web and dragged it into the earth with the other Earthbound Immortals . Sometime later , Ancient Fairy Dragon became the ruler of the Duel Monsters Spirit World ( though it is not explained in the series how she ended up there ) and kept watch of the spirits that resided there . Regulus the white lion is the servant to Ancient Fairy Dragon . In the twenty first century , Dr . Fudo created " Ancient Fairy Dragon " and three other Signer Dragons as " Duel Monsters " cards to be used as key cards for the reactors of the Old Ener - D . After Roman Goodwin betrayed him , he dropped " Ancient Fairy Dragon " , which then fell into Roman ' s possession , until he gave it to Devack . When three - year old Luna entered the Spirit World , Ancient Fairy Dragon watched over her , too . She warned Luna of an evil that threatened the land and had Luna promise that she would protect it . Unable to cope with the responsibility , Luna broke her promise and returned to her own world . After Luna left , the Spirit World became polluted with evil . Zeman the Ape King used the Minus Curse to seal Ancient Fairy Dragon in stone . Fortune Cup . At the age of eleven , Luna returned to the Spirit World . She encountered Ancient Fairy Dragon in the Ancient Forest , which has been destroyed by Professor Frank . Ancient Fairy Dragon managed to move around while in her prison and seized Frank . As she proceeded to attack Frank , Luna managed to force her Duel with Frank into a DRAW , returning herself and Frank to their world and saving Frank from the Dragon ' s angry spirit . Dark Signers . While Luna is held captive by the Arcadia Movement , she communicates with Ancient Fairy Dragon for help . Although Ancient Fairy Dragon is unable to help , she says her servant Regulus will help Luna , in the hopes that Luna will join forces with the white lion to free the Dragon ' s spirit . During the present day battle between the Signers and Dark Signers , Luna travels to the Spirit World to save Ancient Fairy Dragon . Luna , Regulus , and Torunka manage to convince Zeman that the only way for him to minus Ancient Fairy completely is to release her first , and then place the Curse on both the Dragon and Regulus . The Ape King is easily deceived and begins to release Ancient Fairy Dragon . However , Zeman eventually finds out they were trying to trick him and orders his army to attack them . Fortunately , he is killed by Regulus at the same moment Leo defeats his " Duel Monsters " counterpart that was being used by Devack in the human world . Torunka then sends Luna back to the human world , so she can take her brother ' s place . Devack Summons " Ancient Fairy Dragon " with " Cursed Prison " , which keeps her chained and caged . Luna takes Leo ' s place in the Duel and forces him to sacrifice the dragon to prevent the destruction of " Earthbound Immortal Cusillu " . Luna then uses Leo ' s " Respect Synchron " to revive " Ancient Fairy Dragon " back to the twins ' side of the field . As this occurs , Regulus appears to shatter his Master ' s bindings . Luna then proceeds to activate the dragon ' s effect to Destroy the Field Spell Card , " Closed Forest " , negating all the effects of " Cusillu " and rendering it useless . Luna attack s it with " Power Tool Dragon " and " Ancient Fairy Dragon " to destroy the " Earthbound Immortal " and defeat Devack . After the Shadow Duel ends , Ancient Fairy Dragon and Regulus both appear as spirits not only to Luna but also to Leo , Yusei Fudo and Tetsu Trudge too . Ancient Fairy Dragon thanks her and informs her that the spirits used to Summon the " Earthbound Immortal " have all been returned to the spirit world . After stating that they will support Luna in the fight against the Dark Signers , Regulus and Ancient Fairy Dragon materialize into Luna ' s hands as " Duel Monsters " cards . During Yusei , Jack , and Crow ' s Duel against Rex Goodwin , Ancient Fairy Dragon is Summoned by Luna to help fight off condors summoned by the King of the Netherworld . Ark Cradle . After Leo Summons " Power Tool Dragon " and " Ancient Fairy Dragon " in an attempt to protect Luna from Aporia , he died due to the device attached to his heart by Aporia . Ancient Fairy Dragon called out to him , telling him that it wasn ' t yet his time to die and that he is the one that must save Luna . The effect of his " Morphtronic Lantron " activates , and he is revived with a mere 100 Life Points . After the Crimson Dragon ' s seal appears on his back to bestow him the Heart mark , Ancient Fairy Dragon tells Leo that he is the sixth Signer and that all she wants is for Luna to be safe forever . Non - canon appearances . Reverse of Arcadia . Ancient Fairy Dragon appears as a Single Duel opponent . She can be unlocked during Story Mode , by clearing chapter 4 . Deck . In " " , Ancient Fairy Dragon uses a Field Spell Deck based around her own card , titled " The Ancient World " .