first, combat in the world of Blackmoor was resolved using a clunky system of rock-paper-scissors showdowns. But Arneson quickly turned to the rules of a medieval-miniatures war game called Chainmail, paying particular interest to two sections of its sixty-two-page booklet: “Man-to-Man,” which explained how to manage individual heroes amongst your army, and “Fantasy Supplement,” which included rules for casting magical spells and fighting hideous monsters.

