At this point I'm really wondering how Sarnor in general came to unlife.
I mean, the incident in my Omake was only about a few thousand dead around Vaes Dothrak, never intended to be the cause of the Sarnori Undead in total.
For some of them vengance is a sufficient reason, but even in a high-magic setting not everyone with open ends becomes a revenant.
We have now seen that many Sarnori awoke from earlier ages than the Dothraki conquest, they are not driven by vengance.
And many more died for various reasons, like the dead of Mardosh being killed by their own soldiers, or the people here in these outskirts who did die to Dothraki raids, but didn't really have time to notice the genocide of their people and build up the hatred and despair that might later drive them from their graves.
I could think of two possible causes:
First, if the awakening of just the initial vengeful dead was already enough to introduce so much negative energy into the world that all the others just kinda rose with them or came up a bit later.
This fits with the worldbuilding so far, as massive undead-presence does make it explicitly easier to raise more of them, but still requires some big starting point to really get going, after all not all victims of mass-murder all over the world are currently rising up.
Second some great magic, either a ritual the Sarnori cast or some divine intervention, which fits better with the fact that the Queen we met was deliberatly called back to this world, and that the Undead in this area here all seem to have a common creator and controller.
That seems a bit unlikely, but Sarnor was a high-magic kingdom and it is entirely possible that they set up some big ritual of mass-raising to defeat the Dothraki, it didn't work due to the waning magic, and now that the tides are rising again it completes itself. Would be cool and we could learn a lot if we found something like that, particularly because Winter is the other faction using true masses of Undeads, so knowing how to interfere with their rituals seems useful.
