At most, one NM fate will spawn with each weather change (every 23m). It will not spawn if the previous NM is still alive or if another FATE is in the way. There is also a maximum number of FATEs that may be on the map at one time. Once the previous NM is dead and there are no other FATEs in the way, it has a chance to spawn instead of a normal FATE each time one spawns.
There are no requirements that must be met by players for an NM to spawn. However, similar to normal FATEs in the overworld, to ensure the NM FATE you want spawns, clear out regular FATEs at its island. It may take a few minutes to spawn.
The brachiosaur FATE is the only one that does not require completing the objectives first, as it spawns on the upper island.
There are some time+weather combinations where no NM can spawn. If an EM is up, no FATEs can spawn.
Blood Wings (pegasus FATE) is a rank V boss that gives the rewards of a rank S, but does not count for the NM achievement. To spawn it, clear "Darker than the Blackest Witch" while the unicorns are running in a circle. On the NW lower island, take the whirlwind to a second platform. Unicorns spawn only during PM hours (from noon to midnight).
Emergency Mission respawn is something over an hour, unsure of exact requirements to spawn or if it's random. My current completely unproven theory: it has a chance to spawn each time evaluation is earned if its respawn timer is up.
Created by Aurora Sundae (Excalibur)
See also this diadem guide for more details about other parts of diadem.
| Weather | Eorzea Time | Local Time | NM |
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