Final Fantasy XIV: A Realm Reborn Patch 2.2 is scheduled to come out in March and it continues the storyline with Through the Maelstrom. Reoccurring summons Gilgamesh and Leviathan will be added to the game. Leviathan is a primal summoned by the Sahagin tribe.
Gilgamesh wandered into Eorzea in search of new blades. Hildibrand received a letter from Gilgamesh for a duel and if Gilgamesh wins he can claim the detective’s weapons. You can join Hildibrand and Nashu on the case and face Gilgamesh in Final Fantasy XIV: A Realm Reborn.