MACE
Medieval Adventure Campaign Engine
A searchable reference document for house rules, tools, and modifications to the original Dungeons & Dragons™ game. For ease of use, alternative takes are provided throughout this site, although the author’s default rules are presented under the MACE nomiker. Provided alternatives are not gauranteed to be one-to-one exact with the original rules-text: slight modifications may exist for any number of reasons, the least of which being error.
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Attributes, saving throws, encumbrance, and movement.
Combat, exploration, weather, and wilderness travel.
Arcane and divine spell lists, plus magic research.
Fighter, Cleric, Magic-User, Thief, and more.
Stat blocks and encounter notes for creatures of the sandbox.
Rollable tables for encounters, weather, treasure, and more.