dndrulescyclopedia | Unofficial Dungeons & Dragons Rules Cyclopedia Companion

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The complexity of BECMI D&D emerged from a seemingly simple concept. Begin by killing the minions of evil in the dungeons, adventure out into the wilderness, build and empire, encounter gods on the outer planes, then ascend to immortality.. and "win" the game as an Immortal. -- Andrew M., August 18, 2015. This unofficial document — a work in progress — is my personal compilation of rule corrections, clarifications, suggested changes, and other material compiled from various sources to supplement the Dungeons & Dragons Rules Cyclopedia (RC) written by Aaron Allston and released by TSR in 1991. For those unaware the RC is a hard cover volume of (almost) all of the D&D rules from the Basic, Expert, Companion, and Master boxed sets of the early 1980s. The only box set not included is the Immortal Rules which was replaced by the Wrath of the Immortals box set also written by Allston. There are various contradictions, errors, and omissions, in the RC which need to be fixed. There are also instances where the rules don't quite cover some situations that may need to be addressed, or there are loose ends or holes in the rules that need patched. Also, I have found that in many places the RC re-words certain descriptions and mechanics that are taken from the Mentzer-edited sets, and when enough care wasn't taken in doing so, the rules were changed from how they are supposed to function. When possible, rules are gathered from other sources (B/X, AD&D, etc.) and adjusted so they all work together. In some cases, creating extra rules can't be avoided in order to fix issues that exist in the current rules. Suggestions have been added where they may provide value. Sources are cited with page numbers when possible. If a page number is mentioned alone, it is always referring to that page in the RC rather the page of this document. One of my goals in compiling this unofficial document was to eventually self-publish an updated version of the Rules Cyclopedia for my own personal use that includes the material contained within this document. With that in mind, I chose to format the document in Markdown so that anyone could easily revise it to their liking and easily export to HTML or PDF.