HOSR Core Rules

Heroic Old-School Roleplaying
Core Rules

Version Beta-0.25.1 / 2026-10-24

Basics
Adventuring
Combat
Equipment
Magic
Vessels
GM Notes

Basics: Covers How to Play, Abilities, Saving Throws, and Character Creation.
Adventuring: Includes Health, Death, Encumbrance, Procedures for Exploration, and Advancement.
Combat: Gives detailed information about combat procedures.
Equipment: Various equipment tables.
Magic: Includes rules for Spellcasting, Magic Items, Alchemy, Familiars, and different types of Magic.
Vessels: Provides rules for vessels and vehicles, including Land, Water, and Astral.
GM Notes: Rules and tables for GMs only.

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Heroic Old-School Roleplaying Core Rules

Heroic Old-School Roleplaying
Core Rules