Thanks, guys. The Svirfnebli can be valuable allies in the Underdark where the party may spend extended periods below ground, unable to return to the surface to rest and resupply. (David Sutherland from AD&D module D2: Shrine of the Kuo-Toa by Gary Gygax, TSR, 1978.)
I'm sure these people have perfectly legitimate business down by the docks at midnight, but I'm going to lock the shutters just in case. (Timothy Truman from D&D module X3: Curse of Xanathon, TSR, 1982.)
Griffons, adventurers, and perytons wage aerial combat while a massive ruined castle showers debris onto the helpless surface realm below. (Jeff Butler illustration from “Terror in Skytumble Tor”, adventure by Jennell Jaquays, in AD&D accessory I13:...
The elven Kingdom of Caer Sidi, accessible by gate from Lolth’s Demonweb Pits. (George Barr, from AD&D campaign adventure GDQ1-7: Queen of the Spiders, a compilation of modules G1-3, D1-3, and Q1, by Gary Gygax, TSR, 1986.)