User blog comment:Fintin/Poneglyph of Dressrosa/@comment-1595565-20140508155648/@comment-2109035-20140509031642

But yeah, in the end, we don't really know what the Kings do with the poneglyphs. My guess is that the poneglyph of Dressrosa is somewhere average, like the bottom of the castle, or maybe somewhere on Green Bit.