{{Infobox/Yu-Gi-Oh!/Character character| name = Ruin, Queen of Oblivion| image = Ruin,QueenofOblivion-WC09.png| card = [[Ruin, Queen of Oblivion]]| image name en_name = Ruin,QueenofOblivion-WC09.pngQueen of Oblivion| japanese name ja_name = 破滅の女神ルイン| romaji name romaji_name = Hametsu no Megami Ruin| alternate name gender = Ruin, Queen of ExterminationFemale| english name wc07_deck = Ruin, Queen Ritual of Oblivion| german name wc09_deck = Ruin, Königin des VergessensRitual Romance| video game debut video_game_debut = ''[[Yu-Gi-Oh! World Championship 2007]]''| appears video games hide_appearances = yes| appears_in_nds = * ''[[Yu-Gi-Oh! World Championship 2007]]''* ''[[Yu-Gi-Oh! 5D's World Championship 2009: Stardust Accelerator]] | gender = female | wc07deck = Ritual of Oblivion | wc09deck = Ritual Romance''
Ruin appears as a Theme Duel opponent that challenges the player to Ritual Summon 5 times during a single duel.
===World Championship 2009===
[[File:RitualsareNice-WC09.png|thumb|180px|left]]
Ruin is a Tag Duel opponent, partnered with [[Demise, King of Armageddon (World Championship character)|Demise, King of Armageddon]] as the '''Rituals are Nice''' Tag Team. They can be unlocked by winning a Duel using "[[Final Countdown]]".