-Being in character has nothing to do with the fact that unless specifically stated otherwise, characters by default start in their base forms. There's nothing in that picture which even suggests Kakuzu has his masks out already (not that it matters since pictures can't be used as evidence.)
I suppose I'm coming in a bit late and not sure what you were arguing this for, however please be aware that Kakuzu can still use jutsu most likely emanating from his back
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No reason to suggest he can't in base form U_U Besides removing the hearts is not a very long process.... Especiall when Sasori can place an IS Block in front.
[*]Fukusaku grapples either opponent with his tongue and reels him in, at which point he is greeted by a point blank rasengan from Jiraiya
Oh really? He's going to send his nice and vulnerable tongue at Sasori? Who uses poison so fluently, he could easily puncture the soft tongue and lead to Fukusaku's demise....Or you seem to think bringing him point blank range is going to help Jiraiya when in fact it seems to spell out his doom, as it would lead to point blank Flame Throwers
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A surprise attack from the trap located in his chest which would mean death for Jiraiya
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Or it may even turn into an attack method Sasori has been known to use
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As for Kakuzu he can easily use a domu hardened fist, to turn the attack around and pull Jiraiya towards them, similar to what Tsunade did against Oro. And if Sasori is in Hiruko, He can easily jump out :|
[*]Fukusaku cuts him in half with his tongue
You realize that Fukusaku only has one tongue? So while he's attacking one the other can easily prepare for the battle via Releasing Hearts or exiting Hiruko. Domu tanks the tongue btw, don't really recall how it cuts.
[*]Jiraiya uses Raging Lion's Mane to restrain or crush either opponent
Domu? And Sasori has puppets available to continue the attack if he were to be restrained, or his propellers may be able to slice through the hair and release him.
[*]Jiraiya sinks Kakuzu in Yomi Numa
I've countered this a million times so pardon me if it doesn't have much depth in my explanation >.< Kakuzu's Katon can harden the mud allowing him to break through with Domu Enhanced Body Parts U_U
[*]Jiraiya digests them with Toad Mouth Bind
This is sort of a tricky jutsu, because i'm not quite sure how its activated however being exposed to the soft innards of the frog can easily allow Sasori to poison it, ending the danger of the stomach.
Also, it's not true that Jiraiya's slow. He has a 4.5 in speed, so he could just blitz Kakuzu with a rasengan.
A blitz happening when someone is only .5 higher in speed is near impossible :| Not to mention Jiraiya's greatest speed came from propelling himself off of a structure
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Which isn't always available in the battle field. As for rasengan you really think its going to penetrate Domu? A measly rasengan? Nah... However even if it did please realize that Kakuzu's body structure is merely some threads and 5 hearts
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So an attack that only deals blunt force or damages other organs is near useless against him, The Rasengan would not damage the hearts therefore its a useless jutsu when confronted by Kakuzu U_U
-What you recall is wrong. Jiraiya can attack and use jutsu perfectly normally while in his barrier. Don't know why you think it's only useful for going into SM.
What is the barrier going to do? Kakuzu and Sasori aren't focusing on hiding their attacks they're sending an all out barage, which Jiraiya would have trouble avoiding barrier or not.
-Do you understand the size of that rasengan? It's as big as a car. Your point about it only covering one direction is null, since Jiraiya can swing around the rasengan as he uses it. Moreover, he can make two of them with both hands, and swing them around to blast away any iron sand (no, rasengans don't explode on the first thing they touch). He can also just block the iron sand with Needle Jizo for secondary defense. Or he just dodges it like Sakura did.
Blocking IS? With Needle Jizo? Nah my man, The Rasengan may cover defending from the larger variants of the IS However what about the smaller one? It can't cover all at once and swinging it around is futile as this jutsu is near instant
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And Sakura was never able to avoid these kinds of IS they were incredibly fast.
-Double Gian? Pa uses his wind jutsu twice. Don't know where you're going with that. Or Jiraiya can sacrifice a summon and use it as a meat shield if nothing else works.
? What The two gians are going to be in a parallel direction
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Pa can't be in two places at the same time? A meat shield? Hardly it would rip right through the frog and continue going
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-Dear god...Being able to fly means nothing when Fukusaku grapples the mask and reels it in with his tongue. Long-distance katons work as well. Stop trying to make the argument about "one opponent distracts him while the other takes advantage of that." Jiraiya is a sage, that's not working.
Lol? The masks are made of threads...Pa cant grapple on to something like that? You don't know much about the Akatsuki do you...
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Not even Chouji could get a hold of them
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-Poison from Hiruko ends? Please...poison cloud gets blown away by fuuton, needle barrage gets blocked with needle jizo.
Obviously He'll have to leave Hiruko for this :|
-Kakuzu's massive fuuton? You mean the one Kakashi tanked no diff?
Did you really just Say Kakashi tanked it? Oh God
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Since he was so close to the mask when the jutsu was expelled he was able to react with help from the Sharingan and revert to behind the mask, where the fuuton did not reach U_U Something kakuzu noticed and states
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Edit: Notice how I'm not even factoring in Tsunade here because Jman takes care of this himself.
Don't bother she's useless anyways