is said to increase the clan member's power 100 times more than normal, but known to be always fatal, although Chōji survived the effects, thanks to the [[Nara Clan Medical Encyclopaedia|Nara clan's medical book]] and [[Tsunade]]'s medical expertise. The one consuming it loses most of their bodily fat, which is converted in an enormous amount of [[chakra]], so much that it manifests in [[Butterfly Bullet Bombing|two massive butterfly-like wings]] on the user's back.

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Originally,Chōjirequiresto take these pills in order to use the more advanced [[Partial Multi-Size]] and [[Super Multi-Size Technique]]s. After two and a half years, however, he can now rely on his own improved chakra control to do so, without the pills forcing it out for him. During the [[Fourth Shinobi World War]], when forced to fight thehis size, and yelled that Konoha and the Sound ninja were now at war. Properly motivated, Chōji fought against the Oto genin, but were unable to defeat them. His actions, however, bought time until [[Sasuke Uchiha]] awakened and forced them to retreat with the power of the [[Cursed Seal of Heaven|Cursed Seal]].

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In the preliminaries of the exam, Chōji began feeling hesitant about fighting, but Asuma convinced him to fight, promising to treat him to barbecue if he won, and to intervene if he was in danger. In the last match of the preliminaries, Chōji wasmatched against [[Dosu Kinuta]]. At the start of the match, [[Ino Yamanaka]] yelled to him that he was fat, so that he would be spurred into fighting. Using his Human Bullet Tank to charge