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There's the Pixie Plate. I forget where exactly it is, but I seem to recall it being before the 8th gym town...? Don't hold me to it.Anyway, I did find it strange that there was no non-plate booster, like Mystic Water. I guess they felt it'd be redundant now that plates exist.EDIT: I looked it up, and it's found after the entering 8th gym town, but before getting the badge. Specifically, in the nearby Pokemon Village.
Isn't the pixie plate a hidden item you need to use the dowsing machine for?
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