ill not try to prolong the argument in between genjutsu...as ive mentioned in my thread:
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there are 3 things that can setup minato to win against genjutsu:
1. the feat he removed genjutsu from tobi...its a seal against genjutsu meaning he has it in his arsenal...that also means knowing that uchihas are under his control at the time he was reigning as a hokage, he would surely have something against a visual genjutsu and this seal is one of them. question is, how can he become a hokage that time if a simple visual genjutsu can take him down? there are chuunin exams and other test before he becomes a hokage and it would be absurd if he can't avoid such a regular genjutsu...
2. kagebunshins - i don't need to stress it anymore, he used a kagebunshin technique just read the thread...
3. ma and pa toad to assist him in battle...it was heavily stressed in the manga that fighting an uchiha requires you to get out of a 1v1 situation...itachi himself stressed this out unless you're an uchiha...i listed the genjutsu loopholes in my thread as well...
besides ma and pa can dish out several jutsus of their own and they can sync with minato on his shoulder...they can even call out the army of toads to place as a diversion...
with or without FTG...minato can move quickly through body flicker and if itachi misses with an attack, minato can approach him quickly in a split second and place a mark on him...clearly minato had a feat against genjutsu but there was never a feat that placed him under it...
here are the genjutsu holes:
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