You need a brain for Genjutsu to work. In paper form she has no organs as shown and stated on several occasions.
Not that this really matters since Konan has shown she can still hear like when she was listening to Obito's talk about the Akatuski in her paper state...The main point of Genjutsu is to aim at the senses...It frames the senses.
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Not to mention, Edo's don't have organs and yet Itachi was trapped in Tayuya's Genjutsu.
Kidomaru's webs would only attack to a couple of papers while th rest of her body leaves those few papers behind and travels away, Jirobo's Doton would have pretty much no effect since she can dodge it while airborne or just be unaffected since she's made of paper. What can Konan do? For one, her papers are
far too fast for them to dodge, so she can suffocate them or cut them up terribly. Paper bombs can blast off limbs as well, given she could destroy Obito's arm despite his arm having tanked Suigetsu's sword attack no diff [
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].
Nope...Kidomaru traps her main body whether or not in her paper form. Unless you're suggesting she'll completely spread which would be useless. Once she's distracted, she's left vulnerable for attacks like this. There's no way in hell's world she's dodging that while having the attention of others.
Obito didn't tank but stopped the sword attack, unless you're suggesting his own hand has more physical prowess than that sword as he ripped his arm off
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--->
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..Not that really has a meaning to why her paper bombs would destroy these people with enhanced CM2 durability. Plus the fact that Kido with enhanced CM2 durability can add his gold armor to increase the chances of it being useless. Plus the fact that Sakon/Ukon could slip in Kisei Kikai no Jutsu if she tries coming close to them with paper surrounding him. Jirobo can also use hiding like a mole to wait for a counter and use Doton Kekkai: Dorō Dōmu (allowing Kimmimaro to use his bones inside the dome if he's part) or Kido just webs the weakest section and other parts of the dome making it bad if she tries to escape from there as she runs into it. Not to mention she'll be losing chakra while inside it.
There's also the fact that Tayua can use summonings that can release this
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.Konan would have a hand full with other opponents and their various techniques. Adding Kimmi makes it terrible fight...Most of these aren't needed when Genjutsu ends the fight.