From the introduction: Welcome to Xen’Drik Expeditions, the third offering of Dungeons & Dragons Campaigns. These campaign standards, along with the Dungeons & Dragons v3.5 rules and the Eberron Campaign Setting, will prepare you for Xen’Drik Expeditions play in the RPGA. User summary: This document presented information about the structure and processes of the organized play program, as well as requirements and limitations of character builds.