Adventure-Building

4chan Adventures (very gonzo, aka Doc Aquatic's Random Encounter Chart)

Grim Gonzo Modern Fantasy Horror plot generator

Unkind Things (???)

Weird Perils of the Forest

Challenges
Underworld Festivals and Holy Days

Underworld Sporting Events

Characters
NPC Motivations

Unexpurgated Dragon Generator

Unusual Dungeon Pets

Wizardly Obsessions

Castles
Castle Owner and Minions

Deities
Unfathomable Deities

Spellcasters
Alchemists (at bottom of post)

Unknown Spells

Hooks
Extended Carousing-Mishaps

Unheimlich Farm Encounters (??)

What's in the Bag?

What's in the Bag? (2: Electric Boogaloo)

Locales
Lakes? (??)

Outrageous Attire

Peculiar Laws and Customs

Dungeons
Another Brick in the Wall (tarot-based map generator)