I hate the fact that poneglyphs have been basically none existent in expanding the bigger narrative of one piece ever since fishman island. When Robin found out about Joy Boy and Poseidon with the FI poneglyph, we got a great glimpse into the bigger picture of the world. You could argue that the road poneglyph kind of did something similar, but it just gave coordinates which importance was explained by inuarashi to the Straw Hats.
The Poneglyphs should've been used to mention nika and possibly the real power of the gomu gomu no mi and not some half baked idiot whom confused a fight to the death with an open mic session of his prison time.
They could've even had that info in the poneglyphs from Whole Cake Island and have Robin decipher it at the beginning of Wano.
Just seems like a missed opportunity to foreshadow current events in a more natural way with a story telling tool that would actually make the information come out as fluid and not forced.
The Poneglyphs should've been used to mention nika and possibly the real power of the gomu gomu no mi and not some half baked idiot whom confused a fight to the death with an open mic session of his prison time.
They could've even had that info in the poneglyphs from Whole Cake Island and have Robin decipher it at the beginning of Wano.
Just seems like a missed opportunity to foreshadow current events in a more natural way with a story telling tool that would actually make the information come out as fluid and not forced.