Blackmarsh is a complete and ready to run sandbox adventure environment designed by Robert S. Conley. It includes all you need to start your adventures, or a adds a whole new region to your own other world.
The Heroes & Other Worlds edition of Blackmarsh was adapted by C.R. Brandon and contains a complete sandbox environment, two mini adventures, and over 15 new creatures for use with Heroes & Other worlds!
This edition is for use with and requires Heroes & Other Worlds adventure game.