New areas in FFXIV 6.0 Endwalker, including Labyrinthos, Thavnair, Garlemald, and Mare Lamentorum.
Though its name may conjure images of the briny deep, this region of the moon is awash with naught but arid basalt. It is far from devoid of interest, however, as the origin and purpose of the apparently artificial structures spotted on its surface have yet to be ascertained.