You have 30 mins after entry to complete this mission.
Magelight Signal Flare will be lost upon entry and if you fail will have to obtain another 1 which can only be obtained each Vana'diel day.
Talk to npc to start off.
Clear the area of enemies.
Defeating an enemy gives you a temp items similar to those in Nyzul Isle.
After defeating all enimies, talk to npc again to exit Ghoyu's Reverie.
After the fight you will get a cutscene and an Elixir. Then you will be started on the next mission.
Game Description
Mission Orders
Operation Snowstorm has commenced! Sir Ragelise has given you the orders to deliver word to the other two nations' encampments; first Windurst, followed by Bastok.