2003 · ソースブック（プレイを拡張するルール／オプション）
From Stone to Steel
This d20 system guide examines weapons, armor, tactics, training, and special materials from the Stone Age through the Renaissance. It presents equipment alongside its historical and cultural context, including methods of use, advantages, and drawbacks. The book also adds feats, skills, prestige classes, mechanics, spells, mythical items, fantastic materials, and suggestions for incorporating historical and legendary equipment into fantasy campaigns, including items associated with fantasy races.
- プレイ人数
- 0
種族ベース（プレイヤーの種族/種がゲームプレイに影響する）ダイス（主にd20）ダイス（各種）
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。