Ghostly Concoctions

From the introduction:

Ghostly Concoctions is an adventure for about 4 characters with an average level of about 2-5. The style of the adventure allows characters of a higher level to also experience this adventure, though some DM alterations regarding the power of the creatures encountered may be required. Though there are no set character classes required for this adventure, a ranger would be helpful. This adventure can easily be placed into an existing campaign, and works effectively as a wilderness encounter.

User summary:

This scenario utilized an "Old Tower" map that appeared as the "Map of the Week" on Wizards of the Coast's website. The map is included in the scenario.