Let's just say that Sasori can indeed fly using his Iron Sand. Zero evidence that the speed is anything near Gaara's flight speed. In fact, Iron Sand when it's being freely manipulated isn't even fast. The only times Iron Sand becomes fast is when IS drizzle is used, and even then, that isn't that fast when talking about people on B's tier. He's not getting out of B's range before B catches up with him considering he's faster than people like Sasuke on foot in V1, and he's fast enough to blitz Kisame w/ no reaction in V2.
I didn't imply the flying speed would be as fast, but it's not far off since all three use magnet release (Yondaime Kazekage too). And lol, are you implying Bee will start the fight with a v1 blitz? He'll originally be in base, and Sasori will be in Hiruko. Sasori will see Bee's physical strength and speed and choose to fly with his IS (given he has 5 intelligence in DB, one of the very few). Bee won't know that another Sasori randomly pops out, nor will he know striking Sasori again won't kill him, adding to the surprise factor of Sasori's overall fighting style. On another note, once the Sandaime Kazekage is out, he can use this jutsu [
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] which had a massive amount of hands attempting to corner you [
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] and had enough power to go right through the ground. After that they shoot poison at you assuming you are within it. Sasori can change its usage given an already established analysis of Bee's abilities and merely put it in front of himself and release the poison in that immediate area [
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]. This will prevent Bee from attempting to close the distance while Sasori creates a platform for flight, given his immunity to poison. And yes, I know Bee is very fast.
If he uses ISW anyway, then B simply evades whatever dome this guy may try to make considering the overall movement speed of it is nowhere near Gaara's Sand. Not by feats anyway. Then he uses chakra arms or gets close with a blitz and wrecks Sasori's puppet body. That continues until the core is destroyed.
How can Bee do anything against a dome? I already gave you a link of the pool the IS was capable of creating. He simply needs to form it at a place where Bee can't escape from. Chakra arms won't be very useful given Sasori is enclosing the area with a dome on Bee, not himself. Not to mention, the sand is extremely fast regardless of what you say. The Sandaime Raikage is the strongest Kazekage
BY FAR [
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]. Not only did Sasori defeat him
without Satetsu, he now posses him as a part of his arsenal. It is implicative that his sand would be comparable to both the Yondaime's Gold Dust (Yondaime is weaker) and Gaara's (Gaara was pretty much on the same level as Yondaime sand speed wise). Yet the guy who is stronger than the two of them has his strongest ability, Satetsu, as 'much slower'? Makes no sense imo, regardless of less feats. Sasori had 298 HUMAN puppets, he only used Hiruko and Sandaime. If Sasori used 10 human puppets and Sandaime was one of them, he could pretty much wreck havoc as all of them would have their own KKG/special traits and abilities, not to mention the Iron Sand.
Then there's the fact that even if he's trapped in the dome, Bijuu Dama would blow through the IS and vaporize Sasori.
Btw, Gaara doesn't use Jiton to control his Sand.
But he wouldn't know where Sasori is. Not to mention the dome would obviously not fit a ~118 meter giant inside it. Assuming Bee tried to go BM he'd surely cause enough pressure to bust right through it, but at the same time the friction he'd cause with the IS would at the very least cut him and thus poison him (he's not hard to cut).
And yes, Gaara DOES use magnetism. I also used to think he didn't, but atm there's too much pointing towards Gaara actually using magnetism to control his sand. And don't tell me it doesn't work because sand isn't magnetic, anything that the user chooses becomes magnetic, including human skin. First off, his dark rings around his eyes give slight, but not concrete proof that he uses magnetism. Second of all, he has both wind and doton which are required for magnetism. Third of all, I know you will say Gaara infused his sand with chakra against Kimimaro, but
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. 4th of all, in the databook for his defence against C3, it
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, meaning he doesn't conventionally infuse his chakra with his sand.