Aside from the core rulebooks, what other sources were used to derive the rules for the Rules Compendium?
Chris Sims: Bits and pieces of Rules Compendium come from all over the 3E catalog. I used mainstream material from core books, lots of things from the Complete series and Races series, the latest Monster Manual definitions, and even some pertinent magic item rules from Magic Item Compendium. Sources that are more obscure include Libris Mortis, environment books such as Sandstorm, and subsystem books such as Tome of Battle. We also put a draft through its paces with a group of community members from the Character Optimization boards on the Wizards site. They were a huge help in refining what did appear in the book. Thanks guys! Wizards: When it came to collecting and assembling the rules, were there particular mechanics you were interested in clarifying, fine-tuning, or outright revising with official errata? Grappling, for instance, featured in the 4th Edition announcement video in regards to 3rd edition—does the Rules Compendium help navigate the complexities of grappling a troll? Chr
