Final Fantasy XIV has been around for over a decade with a long-running narrative updated all the time and a deep history that can seem overwhelming from the outside. Not only is it a rich and complex world to delve into on its own, but it's also the fourteenth entry in a series that's been around since 1987, so there are some little details that players are expected to know going in.
Source:https://www.cbr.com/ffxiv-lore-new-players-need-to-know/