A quick reference for the most commonly used Old-School Essentials rules and tables.
Game procedures: Summaries of the core rules of the game, including the procedures for dungeon, wilderness, and waterborne adventuring, and combat.
Player characters: All tables pertaining to PCs, including ability score modifiers, saving throws, class skills, spell progression, and native languages.
Downtime and equipment: Common PC activities between adventures, plus full equipment lists, including mounts, dogs, and vehicles.
Monsters: Complete dungeon and wilderness encounter tables and monsters listed by Hit Dice.
Requires the Old-School Essentials core books.
This updated 2026 printing has the following changes from the previous edition of the Reference Booklet:
New cover art by Peter Mullen.
Now includes full wilderness encounter tables.
Minor rules errata for greater fidelity with the B/X core rules. (e.g. attacks from behind gain a +2 bonus.)
Additional notes on weapon specialisation and multi-classing optional rules.
Minor updates in line with the upcoming 2026 Update OSE core books. (e.g. revised secondary skills list closer to AD&D.)
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Any products that are bought used can only be returned if they are found to be defective or not as described when purchased. These items may be returned, but only before leaving the store. It is recommended that buyers inspect any used games thoroughly before purchasing to find anything that was potentially missed during the store's initial inspection upon acquiring the game.
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