D&D 5E Greenwood delayed Volo's Guide to Neverwinter during to movie

[R_J_K75]

There was an online collection of a series of articles Ed wrote about the region previously available on the WotC website, either in 2e or 3e.

Here they are

The Border Kingdoms Archive

The Border Kingdoms Archive

web.archive.org

 

[R_J_K75]

I just found this too

Wizards.com D&D 3.5 archive - orbitalflower

An index of content at Wizards of the Coast's official D&D website during the D&D 3rd edition era from 2000-2008.

orbitalflower.github.io

 

[Parmandur]

Yeah I have it on pdf and print. You're pretty much correct besides a few blurbs in the campaign settings, but I think in 1E (maybe early 2E) there was a series of articles in Polyhedron and some 3E web articles on WotC site in the early 2000s. This link should take you to the further reading section of the Border Kingdoms entry. When I reading the DMs Guild book I looked at some of these articles and there seemed to be some overlap. Like I said earlier, Im hard pressed to think of an area that has zero written about it.

Border Kingdoms

The Border Kingdoms occupy an area of lush grasslands between the Lake of Steam and the Shaar. This area is divided politically into many smaller principalities and kingdoms. Because of the instability of the Border Kingdoms, no accurate maps exist and the borders move around as rulers and...

forgottenrealms.fandom.com

Fair enough! Still, for the FR, about as close to "previously undetailed" as an area gets.