Originally Posted by
ItsaRandomUsername
The sheer screwiness of this event with regards to the timeline, and to a lesser extent Oniland, lead me to suspect that it's either non-canon to a degree, or has something to do with screwy memories (fairly unlikely, given we just had that with Lady Reines Case Files, but hey, playing with expectations?), or is some kind of foreshadowing that that there're alternate Chaldeas out there after all.
Or it could just be something to be taken at face value, as something to bridge the gap between players who're into Lostbelt versus those who're still in Timeless Temple or Epic of Remnant. But, speculation is more fun, so the former, simple explanation isn't to my speed.