| article_messages = {{Rename|Beelzeus of the Diabolic Dragons (manga)|Named as such in volume 9, far out Viz.}}{{Not archetype member|Archfiend|デーモン}}| main = Beelzeus of the Diabolic Dragons| alt_names = Beelzeus of the Ultimate Diabolic Dragons| image = Beelzeusof theUltimateDiabolicDragonsBeelzeusoftheDiabolicDragons-EN-Manga-5D.png| ja_image = BeelzeusoftheUltimateDiabolicDragonsBeelzeusoftheDiabolicDragons-JP-Manga-5D.png| image_ca = BeelzeusoftheDiabolicDragons-EN-Manga-5D-CA.png| image_nc = BeelzeusoftheUltimateDiabolicDragonsBeelzeusoftheDiabolicDragons-EN-Manga-5D-NC.png| level = 10| attribute = 8DARK| types = Dragon / Synchro/ Effect| atk = 4000| def = 4000| lore = This card cannot be [[destroy]]ed. Once per [[turn]], reduce one monster's [[ATK]] to 0 and recover an equal amount of [[Life Points]].| ja_lore = このカードは破壊されない<br />１ターンに１度モンスターの攻撃力を０にしてその数値分LPを回復できる１ターンに１度モンスターの攻撃力を０にしてその数値分ＬＰを回復できる| decks = Sect Ijuin| appears_in_5d = 042, 054, 055, 056, 064| archseries = * Duel Dragon| stat_change = * Your opponent's monsters lose ATK* Reduces ATK to 0King| action = * Limited activations

| summoning stat_change = Special Summons TokensReduces ATK to 0| attack = Cannot be destroyed by battle| misc = Limited activations