After Darui's group defeated the zetsus and the Edo Tenseis, Tobi attacked with the Gedo Mazo:
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Here is where he steals them:
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Basically, read chapter 537 again, and you'll see what happens.
Sorry if I sound noo bush in any way but... are you talking about legendary swords or items by any chance?
He is basically referrering to the tools here:
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