Including notes on Preparing for Play, the Format of each Adventure, the Places and Personalities contained herein, and intimate details of modron Life. In which Order falls to Chaos, and no one …

A rogue modron and its underlings have infiltrated an abandoned mine in order to dig for a magical ore. Combined with the souls of surface dwellers, the ore transforms them into slave-like Monodrones.

Base modrons perform mun-dane tasks; hierarch modrons plan and organize, over-see others, and manage entire areas. At the top of the list, of course, is Primus.

The Modron March isn't an easy concept to grasp. Thou- sands upon thousands of these very strange, incredibly nonhuman beings parade around the planes for reasons no one can fathom.

General information on the nature of modrons and specific notes about running the Modron March adventures can be found below, under the heading "The Modron March."

A modron’s physiology consists of biological and mechanical components working in consort, and while the faces, eyes, and various internal organs of a modron may be similar to those of other living …

Modron (MAW-drun) is a small, walled city set along the banks of the River Modron, where it meets the salty, open water of the Es- tuary of Roglaroon. It neighbors the undersea merfolk village of Crespar.