This is a generators guide for Dark Fantasy, which classically has elements of horror, a darker tone and themes of dread and gloom.
This contrasts with horror, which I have a different generators guide for, focusing more on modern themes.
Maybe some PCs or NPCs have been granted dark gifts by sinister powers.
Greed and gear go hand in hand, so what might you find at the fantasy black market?
Creatures of Darkness
Bad Things Happen
Ravenloft & the Domains of Dread
PDFs of Dark Fantasy
For paid pdfs there is 100 Superstitions for a Fantasy Setting and 100 Creepy Things and Events to Find in a Spooky House from Azukail Games. Or 100 Magic Weapons (Dark Fantasy), which is included in the Dark Fantasy Everthing Bundle
Last of All
Last up is a Gothic Fantasy Adventure Generator random table.