A One-Round Living Greyhawk Kingdom of Furyondy Regional Adventure
From the introduction:
Bronzeblood Haunt is a place of mystery and the most taboo area in Furyondy. A royal decree bars entry to the area and legends tell of foul monsters living around the ruins and that occasionally the woods of bronzewood trees around the castle bleed. While traveling near the area you come upon a fellow adventurer that needs your help. Will you brave the dangers of the Bronzeblood Haunt to aid fellow adventurers? Enter this dangerous adventure with characters of [level 3 - 8].