Hard to say really, i think a big decider here is if jiraiya manages to enter Sage mode along side ma and pa and perform their frog song which is basically a one shot technique on anybody since it freezes the mind and body.
But the frog song tech itself is flawed.
stated by Pa the frog song takes a considerable amount of time to take effect and it gives away their location if jiraiya and them plan on doing it from a secure location on deidara.[
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and when i say considerable time i actually quite a while as shown against the pains. Here is when the frog songs starts.[
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Through all this is when the frog song actually takes effect in sequence, i skip no pages.[
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All the scans i provided 1-10 show the frog tech first taking place to the moment where it finally takes effect, it simply takes too long. One could argue it longer because it was being used on more than one enemy which seems plausible but thats merely an assumption. Manga shows the frog simply taking too long.
All in all i favor deidara he can end this with a C4 imo