This is two less to concern ourselves with.

[the first Sora has already disappeared, leaving the chamber he was in empty; somewhere, there is yet another Heartless to add to the millions. the other is soon to follow, as Riku stabs the Keyblade into the second Sora, unlocking the Hearts there as well.]

The ones that aren't a Princess- or Prince, as the case may be, should be next, don't you think?