Goodmen, Gentles, my Lords, in the best exemplification of the heroic stories you have found the Villain, battled him and his minions, plundered them of their treasure then returned victorious. But Now you discover a greater horror.. Lawyers.. Lawyers...
The modern definition of festival has four parts: 1. a day or time of religious or other celebration, marked by feasting, ceremonies, or other observances: the festival of Christmas; a Roman festival. 2. a periodic commemoration, anniversary, or celebration: an annual strawberry festival. 3. a period or program of festive activities, cultural events, or entertainment: a music festival. 4. gaiety; revelry; merrymaking. In the later eras of the European Rennaissance (early modern) there was an additional meaning; 5. The marking of important events in the life of a princely dynasty, such as marriage, the birth or christening of an heir, a coronation or a funeral, or the traveling to a new country/ state/ city.
Under the sewers of a large town ancient burial chambers are discovered. If the PCs investigate they fill find that a pale white flowers grows amongst the graves, in the dark.
How do they survive without light? What is their origin? Why in a burial chamber and not just in any old cave?
Can they be sold or do they have any special quality at all? It is up to the PCs to discover.