The Hollow Mountain
TheHollow Mountain is a 5th Edition plug-in adventure for 3-7 characters of 6th-level and is optimized for four characters with an average party level (APL) of 6. This adventure sees the party entering the Hollow Mountain, once the home of a powerful wizard and his apprentices. This is a plug-in adventure, built to drop into ongoing campaigns.
The map and original inspiration for this adventure were created by Raznag.
Ninetoes82: 5E Adventures, Encounters and More 