"It's a gem as large as a goliath's palm!"
The quest for the Temple of the Dawn Flower has driven one adventurer mad, forced another expedition to retreat, and prompted a tribal warrior to issue a dire warning to abandon the search because it angers the gods. It is said the temple’s guardian is a giant crocodile that devours people whole.
Sounds like the sort of challenge that bold adventurers would be eager to undertake.
The adventure is designed for 5th level characters.