Escape from Mt. Balefor
Escape from Mt. Balefor is a self-contained 8-10 hour 5e adventure for three to five 5th-level characters. This premium module contains a full three-part story, battle maps, and NPC stat blocks.
Your party of wood elves will start in the mines and have to sneak and backstab their way to freedom. There are a number of chances to choose your path, whether you plan to avoid fighting or want to kill every last high elf in the mines.
There will also be a number of ways to affect the world around you if you choose to continue the story after the party escapes from the mines.