Editing Mournland (section)

==Day of Mourning==
The Day of Mourning occurred on 20 Olarune 994. Every Cyrian knows where they were on this day. The dead-gray that is now known as the border of the Mournland began to spread from either the city of Making, and/or the royal palaces of Vermishard in the capital of Metrol, and seems to have begun in the morning while expansion lasted throughout the day. This spread lasted a while, long enough for some people to actually evacuate. Initially the mist was lethal, but had no effect (beyond being the Mournland) after the first day.

The most disturbing thing about the Day of Mourning is that it was clearly caused by an intelligent actor. Despite the tons of magic shit that happens on its own in Eberron, the Mournland matches Cyre's artificial and then frequently changing borders far too closely for it to not have been. It was exact to the point that artificial structures hanging over the border, like docks, were outside it. It may not necessarily have been on purpose though, as one of the more common theories is that some experiment by Cyre or Cannith backfired horribly. Other theories suggest any number of Eberron's various factions were behind it. 

One popular out-of-universe theory is that the entire country has become a [[Demiplane of Dread]]. The event checks all the relevant boxes:

* The political nation of Cyre, and ''only'' Cyre, was taken by some intelligent actor. The Dark Powers clearly count, and they have a habit of abducting countries from elsewhere to serve as Domains if the [[Darklord]] in question ruled that country beforehand. 
* Speaking of Darklords, the Forge of War states that Dannel ir'Wynarn's insistence that the crown of Galifar belonged to her was the only thing keeping the Last War going, which makes her a prime Darklord candidate.
* The border of the Mournland is a wall of mist. Portals to Ravenloft usually take the form of thick mists.
* The Mourning has multiple similarities to the destruction of Kalidnay, a city from [[Dark Sun|Athas]] known to have been brought to [[Ravenloft]]. [[Dark Sun]] materials describe Kalidnay as having been destroyed by an unknown disaster, leaving behind a jumble of ruins. Structures in the Mournland have been "moved", "rearranged", "turned 90 degrees", or found far from where they should be, which certainly counts as jumbled. And while the ruins of Kalidnay lack several of the Mournland's signature traits, they're also being described centuries after Kalidnay's destruction, while reports from the Mournland are from directly after the fact.

None of these theories will ever be confirmed or deconfirmed canonically, as the truth of the Day of Mourning is one of several mysteries left to DMs to establish the truth of on their own.

The theory received a bit of a nod in 5th edition with the reveal of a new Domain of Dread that is a fragment of Cyre that was taken by the mists on the Day of Mourning.
[[Category:Eberron]]