No Prep Module: Garden of Scorching Secrets (Patreon)

https://www.kassoon.com/dnd/adventure/no-prep-module-garden-of-scorching-secrets/ 

Ancient runes etched on towering stone obelisks across a vast desert lead a party of adventurers to a lush hidden oasis where they stumble upon a dark conspiracy.

https://www.kassoon.com/dnd/adventure/no-prep-module-garden-of-scorching-secrets/