Features include:
? Sixteen military prestige classes, including the Aerial Cavalryman, Charioteer, Combat Engineer, Executioner, Marine, Mechanist Infantry, Mountaineer, and Sheriff.
? More than 30 military subtypes, including archers, artillerists, cavalrymen, beast handlers, infantrymen, medics, pathfinders, peasant levies, and templars.
? Nine non-military subtypes, including bandits, barkeeps, thugs, and traders.
? Two dozen skills, including Craft (Airship-Making), Knowledge (Beast Lore), Operate Device, Profession (Bartender), and Signaling.
? Nearly a score of feats, including eight devoted to aerial warfare.
? New weapons, armor, and equipment, including weapon accessories, elephant gear, siege engines, balloons and blimps, and guidelines for incorporating high-technology weapons into a fantasy campaign.
? Sixteen new spells, including Battle Runes and many specially designed for use by members of the Zealot prestige class.
? More than 80 new magic items and five new weapon special abilities.
? Three new combat-oriented monsters.
? Two dozen detailed, ready-to-use NPCs.
? Rules for incorporating chariots into combat.
? Rules for using large beasts like elephants in warfare.
? Guidelines on historical and non-human heraldry.