So,
In the Original Timeline(▪︎)
▪︎Reid And Elria did not born in the same Era [call it first era or Era(1)]
▪︎In the Original Timeline, Reid is a researcher instead of a warrior, and he is hauled as the『SAGE』or The 『First SAGE』.
▪︎Elria is Born 1000 years after Reid Death/Era(1) [lets call it...