Yu - Gi - Oh ! GX - Episode 025 " The School Duel , Part 1 " , known as " VS Manjoume Thunder ( First Part ) - The Threat of Armed Dragon " in the Japanese version , is the twenty - fifth episode of the " Yu - Gi - Oh ! GX " anime . It first aired in Japan on March 23 , 2005 and in the United Sates on December 12 , 2005 . Summary . Having defeated every student of North Academy and officially enrolling in the school , a ceremony is held for Chazz Princeton . Dressed in his new uniform , a tattered black coat , Chazz is given the most powerful Deck that North Academy has by Chancellor Foster . The students begin chanting , confident that this year , Chazz will win them the inter - school match . At Duel Academy ' s arena , Jaden Yuki Summons " Elemental HERO Avian " , " Elemental HERO Burstinatrix " , " Elemental HERO Clayman " and " Elemental HERO Sparkman " , and tells them to do their best in the upcoming Duel . Syrus Truesdale arrives and informs him that the North Academy students have arrived , and that he must hurry to the reception for them . They arrive at the docks , where North Academy ' s submarine has moored . Foster shakes hands with Chancellor Sheppard , but Jaden interrupts their conversation , eager to find out who is opponent will be . Sheppard tells him to be patient , but Jaden is insistent . Chazz reveals himself , telling Jaden that he ' ll be his opponent . Two helicopters arrive on the roof of the nearby boathouse , and Chazz ' s older brothers , Slade and Jagger disembark . They reveal that they ' ve brought in a television crew to broadcast the Duel live , and showcase Chazz ' s victory . Chazz meets with his brothers in private , and they remind him of their plan - Chazz must become the top Duel Monsters player in the world . With Slade being a leader in the political world , and Jagger being a leader in the financial world , the three brothers wished to achieve world domination . Jagger tells Chazz that his plan to drop out of Duel Academy to withdraw from their plan did not work , and that he was always the lazy one of the three . They give Chazz a briefcase full of rare and expensive cards , and tell Chazz to construct a new Deck with them . Jaden rushes to a bathroom to make himself more fit for television , and overhears Chazz inside , who is talking to himself and crying in the bathroom . He states that no one understands the burden he bears , and all he ' s ever told is that he must win . No one realizes what pressure that puts on him . The students gather at the arena , and Foster confirms with Sheppard that the prize will be the same as it was last year , though what exactly the prize might be isn ' t specified . They declare the official start of the Duel , and Dr . Crowler introduces the participants . Crowler introduces Jaden first , but Chazz insists that he introduce himself instead , and insults Crowler . He claims he ' s changed since he left Duel Academy , and has grown much stronger . The Duel begins , with Chazz Summoning " Masked Dragon " in Defense Position . Jaden Summons " Burstinatrix " , who attacks and destroy s " Masked Dragon " . Its destruction triggers its effect , letting Chazz Special Summon a Dragon - type monster with an attack of 1500 or less from his Deck . He Summons " Armed Dragon LV3 " in Attack Position . Syrus wonders what a Level monster is and Alexis Rhodes explain that such monsters level up as they battle , growing stronger . Sheppard expresses disbelief that Foster gave Chazz access to the cards passed down through North Academy , and Foster reiterates that he ' s serious about winning the prize this year . Jaden Set s a card to end his turn . During his Standby Phase , Chazz activates the effect of " Armed Dragon LV3 " , sending it to the Graveyard to Special Summon " Armed Dragon LV5 " in its place . Jaden activates his face - down " Hero Ring " , which equip s to " Burstinatrix " , preventing her from being attacked by monsters with 1900 or more attack points . However , Chazz reveals the effect of " Armed Dragon LV5 " . He may discard a monster and destroy a monster on the field with equal to or less attack points than the discarded one . Discarding " Flying Kamakiri # 1 " , Chazz destroys " Burstinatrix " . He then attacks directly before Setting a card to end his turn . Slade and Jagger comment that Chazz is doing quite well , and joke that they should tell him to tone it down , so that there is not leftover broadcast time . Jaden Summons " Elemental HERO Bubbleman " , drawing two cards via its effect . He then plays " Polymerization " , fusing " Bubbleman " with the " Elemental HERO Avian " and " Elemental HERO Sparkman " in his hand to Fusion Summon " Elemental HERO Tempest " in Attack Position . He attacks and destroys " Armed Dragon LV5 " , but Chazz Special Summons it back from his Graveyard by activating his face - down " Call of the Haunted " . Chazz begins his turn , activating " Armed Dragon LV5 ' s " effect , discarding " Despair from the Dark " to destroy " Tempest " . However , Jaden , activates his face - down " De - Fusion " , returning " Tempest " to the Fusion Deck and Special Summoning its three Fusion Material Monsters from the Graveyard , all in Defense Position . Chazz declares he still has his attack left , and destroys " Sparkman " . As " Armed Dragon LV5 " destroyed a monster in battle , its effect activates during the End Phase , letting Chazz send it to the Graveyard to Special Summon " Armed Dragon LV7 " . Jagger comments to Slade that that card was not among the cards that he gave to Chazz in the briefcase , which perplexes them both . Jaden is impressed , and even states he wants an " Armed Dragon LV7 " of his own . Jaden Summons " Wroughtweiler " in Defense Position and Sets a card . Chazz activates " Armed Dragon LV7 ' s " effect . He may discard a monster to destroy all monsters on his opponent ' s field with equal to or fewer attack points . He discards " Armed Dragon LV3 " , destroying all three of Jaden ' s monsters , but the destruction of " Wroughtweiler " triggers its own effect , letting Jaden add " Polymerization " and " Burstinatrix " from his Graveyard to his hand . Chazz declares a direct attack with " Armed Dragon LV7 " . Featured Duel : Jaden Yuki vs . Chazz Princeton . Turn 1 : Chazz < br > Chazz draws " Masked Dragon " and subsequently Normal Summon s it ( 1400 / 1100 ) in Defense Position . Turn 2 : Jaden < br > Jaden draws . He then Normal Summons " Elemental HERO Burstinatrix " ( 1200 / 800 ) in Attack Position . " Burstinatrix " attacks and destroys " Masked Dragon " . Since " Masked Dragon " was destroyed by battle and sent to the Graveyard , its effect activates , allowing Chazz to Special Summon " Armed Dragon LV3 " from his Deck ( 1200 / 900 ) in Attack Position . Jaden then Set s a card . Turn 3 : Chazz < br > Chazz draws . On Chazz ' s Standby Phase , the effect of " Armed Dragon LV3 " activates , allowing Chazz to send " Armed Dragon LV3 " to the Graveyard and Special Summon " Armed Dragon LV5 " from his Deck ( 2400 / 1700 ) in Attack Position . Jaden activates his face - down " Hero Ring " and equips it onto " Burstinatrix " . Now monsters with 1900 or more ATK cannot attack " Burstinatrix " . Chazz activates the effect of " Armed Dragon LV5 " to send " Flying Kamakiri # 1 " from his hand to the Graveyard and destroy Jaden ' s " Burstinatrix " . " Armed Dragon LV5 " attacks directly ( Jaden 4000 → 1600 ) . Chazz Sets a card . Turn 4 : Jaden < br > Jaden draws " Elemental HERO Bubbleman " and subsequently Normal Summons it ( 800 / 1200 ) in Attack Position . Since Jaden summoned " Bubbleman " while he had no other cards on his side of the field , its second effect activates , allowing Jaden to draw two cards . Jaden then activates " Polymerization " to fuse " Bubbleman " with " Avian " and " Sparkman " in order to Fusion Summon " Elemental HERO Tempest " ( 2800 / 2800 ) in Attack Position . " Tempest " attacks and destroys " Armed Dragon LV5 " ( Chazz 4000 → 3600 ) . Chazz activates his face - down " Call of the Haunted " to Special Summon " Armed Dragon LV5 " from the Graveyard ( 2400 / 1700 ) in Attack Position . Jaden then Sets a card . Turn 5 : Chazz < br > Chazz draws . He then activates the effect of " Armed Dragon LV5 " to send " Despair from the Dark " from his hand to the Graveyard and destroy Jaden ' s " Tempest " , but Jaden activates his face - down " De - Fusion " to return " Tempest " to the Fusion Deck and Special Summon " Avian " ( 1000 / 1000 ) , " Bubbleman " ( 800 / 1200 ) and " Sparkman " ( 1600 / 1400 ) , from his Graveyard , all in Defense Position . Since " Tempest " was removed from the field , the effect of " Armed Dragon LV5 " is negated as it lost its original target . " Armed Dragon LV5 " attacks and destroys " Sparkman " . On Chazz ' s End Phase , he sends " Armed Dragon LV5 " to the Graveyard in order to Special Summon " Armed Dragon LV7 " ( 2800 / 1000 ) in Attack Position as " Armed Dragon LV5 " destroyed a monster in battle this turn . Turn 6 : Jaden < br > Jaden draws . He then Normal Summons " Wroughtweiler " ( 800 / 1200 ) in Defense Position and Sets a card ( " Hero Spirit " ) . Turn 7 : Chazz < br > Chazz draws . He then activates the effect of " Armed Dragon LV7 " to send " Armed Dragon LV3 " from his hand to the Graveyard and destroy all monsters on Jaden ' s side of the field . Since " Wroughtweiler " was destroyed , its effect activates , letting Jaden add " Polymerization " and " Burstinatrix " from his Graveyard to his hand . " Armed Dragon LV7 " attacks directly . " Duel continues in the next episode " . Featured cards . The following cards appeared in this episode . Cards in italics debuted here .