From the introduction: An adventure for a home Greyhawk Campaign Set in Perrenland The people of Danelg live in fear. They fear going to sleep because every night every person is plagued with nightmares. Fear is often described as irrational, but maybe it can be a rational fear – if there is a rational reason. This adventure serves as a good introduction for Players unfamiliar with Perrenland. Part 1 of the Legacy of the Black Rider. A two-round adventure set in Perrenland for characters levels 1 - 10.