Theory
Ryuuma is from 400 yrs ago
Poneglyph will be related to Ancient Onis(aka Kaido's ancestor ) that created the country of Wano
Ancient onis are mostly a reference to Frost giants
Ancient Oni used to be Wano's Overlords before Ryuuma slayed them and take over
In this case
Frost...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.