Is Hydaelyn a spherical planet or flat? 4.0 seems to imply that it is flat.

[DinahDemiurge]

Gameplay mechanics/lore segregation.

My own "flat-Eorzea" wonderings have been more tied to boggling over sailing east across Garlean-infested waters rather than sailing west and around the other side. xD

There's a much more dangerous continent to the west. I think they confirmed this on some lore panel at some point.