Furthermore you can find stone replicas of the helmet and sword on Drakos Arch, nearby a large skeleton in a cave.
The obvious answer: They’re references.
The fun answer: What’re the Castlians doing so far from the Seven Seas so far from when they should exist? They developed in some course of 2000 years after these statues earliest possible chance of existence.
just cuz its the same armour as exiled doesnt mean its castilian gear
not only is wom retconned, but when we play wom its like a thousand years in the future from where we are right now