Heros of Battle provides everything one needs to know to play a battle-oriented D&D campaign. Players can build military characters with new
feats, spells, uses for traditional spells, and prestige classes. Information is
given on tools specific to the battlefield, including siege engines, weapons,
magic items, steeds, and other exotic mounts. Battlefield terrain aspects are
discussed with plenty of illustrative maps and new rules. Specific types of
battlefield encounters are discussed in detail, and the book provides specific
detail on designing battlefields.