Let's talk about Hunts - a detailed rundown of their assumed mechanics

[NoboruSouma]

So has anyone figured out the exact spawn conditions for Udumbara yet? We've had it spawn so often on random occasions. Just now I tried for a bit over 1h on Shiva and killed over 100 Leshy/Diakka only for it to spawn 20 min later getting called by someone who doesn't even knew it was an S rank. This hunt is just frustrating.

In the JP Wiki I linked here:

Also all triggers are listed on this FFXIV JP Wiki.

it says 50/50/50 of Leshy/Diakka/Sapira. And that's what we go for on our server as well for a few months now. It isn't new news really. Udumbara is the Leucrotta of SB.

That's the same for all S ranks. That's why Nandi, for instance, will often spawn right by the aetheryte when its timer is up - it's set to go off, but you still need someone with a minion to run over its spawn point and those are the closest ones.

But that's only because Upper La Noscea is such a small area that it appears to be 'often'. The spawn location is still assigned random, you can't say something like 'It will spawn on one of the first spawn points you hit at max timer.'. It's just RNG being kind if it spawns near the aetheryte.

For Stormblood S ranks, 132 hours max respawn has been my personal observation, but it's not a forced spawn like an A rank. The spawn conditions still have to be met.

Yes and no. The 132 hours max spawn is still RNG dependend. We had Kaiser Behemoth's, Gandarewa's, Bone Crawler's and some others that went over the 132 hours mark. Speaking of Bone Crawler .. I spend almost 10 hours on a spawn and he went to over 53:20 hours green on Ariyala which means over 133 hours after the last kill.

Just wanted to confirm that you actually can spawn The Pale Rider with levequest coffers.

However, the odds seem to be drastically low; so I'd still recommend relying on Wyvernskin maps whenever possible.

Sweet, thanks a bunch for the confirmation. Tried it one time and spend all 100 leves with over 20 chests but without a pop.
Also a thanks for debunking the theory of a specific map location that's needed for a spawn.

But it's still a mystery, really. Some S Ranks aren't under the spell of RNG like Leucrotta, Udumbara and others, just the time at which they open changes. The condition is a fixed number. And some are just RNG heavy and Pale and Agrippa, last one even worse as we know, are basically married to RNG.