A One-Round Living Greyhawk Nyrond and Her Environs Regional Adventure
From the introduction:
There is unrest in the kingdom of Nyrond; although some threats have been dealt with others have only gained strength. Rumors of a gathering army of humanoids in the Bone March again spread throughout the land, but this time there are more than just rumors. The Glaive Valorous of the church of Heironeous has called for the aid of the adventurers at this pivotal time for the Kingdom. The conclusion of the Heironeous series, it is highly recommended that players go through NYR3-05: Heironeous Impressions Impressions and NYR4-04: Heironeous Assumptions before playing this module as it may contain spoilers. Characters who have gone through the previous modules will find this module more
interesting and informative.