What is the name of group of good doers that are part of the general lore of DnD?

Jerry explained them to Mike during an Acq Inc live game at PAX. There was a pin or sigil on an NPC. I need them for my family campaign.halp — Tyler Weir (@tylerweir) July 6, 2017 Harpers? Probably Harpers. — Tycho Brahe (@TychoBrahe) July 6, 2017 Definitely Harpers. https://t.co/PcFM62wve9 — Christopher Perkins (@ChrisPerkinsDnD) July 7, […]

Zhentarim Mage, Red Wizard, Host Tower mage: how’s their spellcasting differentiated?

Zhentarim Mage, Red Wizard, Host Tower mage: how’s their spellcasting differentiated? (Playing through old SSI games etc)Zhentarim mages tend to have a "standard kit" of spells they're told to prepare for particular situations (few surprises for foes). Whereas — Ed Greenwood (@TheEdVerse) July 31, 2017 Hosttower mages are ALL surprises: weird, unique or rare spells, […]

Does House Gralhund still exist?

[…]"City of Splendors: Waterdeep" web-enhancement "Noble Houses of Waterdeep," House Gralhund had familial ties to the devil […]#DnD — MadHatterHimself (@Madhatterhim) July 6, 2017 […]Gargauth and as a result counted Tieflings among their ranks. My question is therefore this: Does House Gralhund still exist?And if it still exists, is it now made up entirely of […]