A One-Round Living Greyhawk Furyondy Interactive Adventure
From the introduction:
Bronzeblood Haunt has been a plague upon the face of Furyondy. Recently, the Master has shown his hand and his desire to destroy King Belvor and his kingdom. Because of this, you have been tasked with entering the catacombs beneath Bronzeblood Haunt and locating the sole entrance the master's extraplanar lair.
A one-round combat intensive Furyondy Interactive for characters level 4 - 12.