Yu - Gi - Oh ! GX - Chapter 055 " The Terror of the Forbidden Beasts ! ! " , known as " The Terror of the Sealed Beasts ! ! " in the Japanese version is the fifty - fifth chapter of the " Yu - Gi - Oh ! GX " manga . It was first printed in Japanese in the " V Jump " magazine and in English in the " Shonen Jump " magazine . Both of which were printed in volume 8 of the " Yu - Gi - Oh ! GX " graphic novels afterwards . Summary . Jaden continues his Duel with Adrian , who makes the first strike with his " Forbidden Beast Nibunu " . Jaden makes a comeback with " Masked Hero Acid " . Tragoedia muses on how " Winged Kuriboh " and " Elemental Hero Terra Firma " ended up in Jaden ' s possession . He thinks that he hasn ' t been this elated in years though , all the components he needs for his plans are near - the spirit card , the rest of the " Legendary Planet s " and the souls of young Duelists . Adrian strikes back with " The Despair Uranus " . After its attack hits , Jaden feels his strength being sapped . He wonders if the Duel is a Shadow Duel , but realizes that it seems to be solely " Uranus " emitting the energy , not the Duel as a whole . Jaden accuses Adrian of coming to take " Winged Kuriboh " from him , but Adrian denies having any interest in such a weak card . When Winged Kuriboh appears before Jaden , he promises to protect it . Adrian tells Jaden to stop talking to himself , implying that he can ' t see Duel Spirits . Jaden vows to end the Duel this turn . Featured Duel : Jaden Yuki vs . Adrian Gecko . " Duel continues from the previous chapter . " Turn 3 : Adrian Adrian attack s and destroy s Jaden ' s " Masked Hero Gust " with his " Forbidden Beast Nibunu " ( Jaden 4000 → 2800 ) . Jaden activate s his face - down " SOS " , Special Summon ing a Level 4 or lower " Masked Hero " from his Deck . He chooses " Masked Hero Fountain " ( 1000 / 1400 ) in Attack Position . Adrian Set s a card . Turn 4 : Jaden Jaden draws " Mask Change II " . He Normal Summon s " Masked Hero Dusk Crow " ( 1200 / 1000 ) in Attack Position . He activates " Mask Change II " , discard ing " Masked Hero Bassols " and Tributing " Fountain " to Transformation Summon " Masked Hero Acid " ( 2600 / 2100 ) in Attack Position . Its effect activates , destroying all of Adrian ' s Spell and Trap Card s , including a face - down " Mantra ' s Curse - Binding " , and reducing the ATK of all of Adrian ' s monsters by 300 . " Dusk Crow " attacks and destroys " Forbidden Beast Inun " , whose effect activates , letting Adrian add a " Forbidden Mantra " in his Deck to his hand . " Acid " attacks and destroys " Nibunu " ( Adrian 4000 → 3800 ) . Turn 5 : Adrian Adrian draws " The Body ' s Hidden Mantra " and activates " Forbidden Mantra " . He then plays " The Body ' s Hidden Mantra " , drawing a number of cards equal to the number of " Forbidden Beasts " in his Graveyard . With " Nibunu " , " Inun " and two " Nunuraos " in his Graveyard , he draws four cards . Adrian Normal Summons " Forbidden Beast Watsumu " ( 800 / 700 ) in Defense Position and Sets a card . Turn 6 : Jaden Jaden draws " Damaged Mask " , while his hand contains " Double Attack ( Team Strike ) " . " Dusk Crow " attacks and destroys " Watsumu " , activating its effect . Adrian adds the two Level 2 " Nunuraos " in his Graveyard to his hand . Jaden attacks directly with " Acid " ( Adrian 3800 → 1200 ) . Jaden Sets a card . Turn 7 : Adrian Adrian Special Summons the two " Nunuraos " ( 500 / 800 each ) in his hand through their own effects , which he may activate as he has a face - up " Forbidden Mantra " . Adrian activates his face - down " Barrier of the Ancient Codex " , which will prevent his " Forbidden Mantras " from being destroyed . He Tributes both " Nunuraos " to Tribute Summon " The Despair Uranus " ( 2900 / 2300 ) in Attack Position . It gains 300 ATK for each Spell and Trap Card Adrian control s , so its ATK becomes 3500 . Adrian activates another " Forbidden Mantra " , so the ATK of " Uranus " becomes 3800 . " Uranus " attacks and destroys " Dusk Crow " ( Jaden 2800 → 200 ) . Turn 8 : Jaden Jaden draws " Mask Change " , while his hand contains " Double Attack ( Team Strike ) " . " Duel continues in the next chapter . " Featured cards . The following cards appeared in this chapter . Cards in italics debuted here .