2003 · ソースブック（プレイを拡張するルール／オプション）
Fields of Blood: The Book of War
A d20 supplement for ruling realms, managing nations, raising armies, and resolving large-scale battles. Rules cover defining and converting realms, governing settlements and nations, taxation, recruiting and training troops, fortifications, and siegecraft. The system also includes guidelines for using existing magic in warfare, new battle and realm magic, prestige classes suited to mass combat, and appendices with spells and ready-to-use creature units. It is compatible with version 3.5 of the d20 system and can be used with an existing campaign or a new setting.
- プレイ人数
- 0
属性／ステータス制（STR、CON、PERなど）レベル制（XPを獲得してレベルアップ）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）
無料・Web、Android、iOS対応
LudoyaでFields of Blood: The Book of Warを遊ぼう
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。