Was Dweomercore created for Waterdeep: Dungeon of the Mad Mage?

Did Dweomercore, Halaster’s magic academy in Undermountain, exist in any published Forgotten Realms lore prior to Waterdeep: Dungeon of the Mad Mage? If so, where? Or was Dweomercore created for Waterdeep: Dungeon of the Mad Mage?

A web search doesn’t turn up much, but here is one online post that states, "In older lore, I recall Trobriand actually set up Dweomercore…"

Where is Gralhund Villa located within Waterdeep?

In Waterdeep: Dragon Heist, a significant portion of one of the chapters takes place in "Gralhund Villa".

There are locations given for several of the noble Houses in the first chapter, but I can’t find anything giving even an approximate location for Gralhund Villa. I’ve marked this question as 5e, but will accept information from any edition.

Where is Gralhund Villa located within Waterdeep?

In Waterdeep, is magistrate another word for magister?

In Waterdeep: Dragon Heist, both magistrates and magisters are mentioned throughout. The lore chapter, ch. 9, "Volo’s Waterdeep Enchiridion," discusses the role of magister in depth, but does not mention magistrates.

Is magistrate another word for magister, or is it a separate office?

Note: I know that the term "Magister" has another meaning in the Forgotten Realms. I am not looking for information about this type of Magister.

What is a cordwainer in Waterdeep?

One of Waterdeep’s many guilds is the Most Diligent League of Sail-makers and Cordwainers (Waterdeep: Dragon Heist, introduction). What is a cordwainer in this context?

Merriam-Webster defines a cordwainer as a shoemaker, or a worker in Cordovan leather (archaic). Wikipedia has an article on cordwainers in the shoemaker sense. But Waterdeep already has an Order of Cobblers and Corvisers and a League of Skinners and Tanners. Cordwainers are in a guild together with sail-makers, so it stands to reason that they would have some sort of connection to sail making.

Any D&D/Forgotten Realms source is acceptable.

What is a joiner in Waterdeep?

One of Waterdeep’s many guilds is the Fellowship of Salters, Packers, and Joiners (Waterdeep: Dragon Heist, introduction). What is a joiner in this context?

Merriam-Webster defines a joiner as a craftsperson who joins pieces of wood. Wikipedia has an article on joiners in the same sense. But Waterdeep already has several guilds related to building things out of wood. It stands to reason that joiners would have some sort of connection to salting and packing food.

Any D&D/Forgotten Realms source is acceptable.

What is the scene depicted in the second “Waterdeep Digital Background” art?

In the Free Remote D&D Resources archive that Wizards of the Coast is providing, for April 30, 2020 there is a “Waterdeep Digital Backgrounds” zip file that includes artwork that one might be able to use as a background while videoconferencing. The second file (named “DnD_Video_bg-WDDH2”) looks to be a scene outside of Waterdeep proper, with people along a path, a building (maybe some kind of temple), and the wall of Waterdeep in the background. I’m presuming putting a smaller version here counts as fair use:

Waterdeep scene 2

What is that building, and more generally where is this scene set? Is it part of the Waterdeep: Dragon Heist book or storyline? (I don’t remember seeing it in there, though probably I just missed it, but the filename saying “WDDH” makes me think it’s related.)

Players starting their own faction in Waterdeep

I’m running Dragon Heist and introduced the players to the faction choices last night. They decided none of them wanted to join a faction, but the did want to start their own.

Has anyone else experienced doing this and can you offer any advice or information, please? I was thinking I might be able to use Strongholds and Followers later and it could be a lot of fun.

There are 6 players, level 3, none evil: bard, barbarian, cleric, rogue, wizard and druid.

Thanks!

Are there Xanathar guild operations outside Waterdeep?

I’m about to play in a game set in Baldur’s Gate, and the DM’s running the adventure are sticklers for the Canon with little leeway.

In D&D Faerun lore, do thieves guilds, the Xanathar guild specifically, have canonically have agents and safe-houses, and or interests in other cities around the Sword Coast?

I assume there may be; after all, if something is worth stealing, it should be stolen, and there may be very valuable opportunities outside Waterdeep too.

Waterdeep Dragon Heist:Seasons

In Waterdeep: Dragon Heist it says you have to choose the season at the outset. Is it possible to choose it at a later part in the story? Or os it possible for the players to wait for a specific holiday in general?

I’m looking for a more fluid choice to make for the transition. I was possibly thinking that you could say that in chapter 2 they wait for a specific season.

Curious for your responses -The extreme DTM