Adventurer's Backpack is the first major expansion of Castles & Crusades since the release of the Castle Keepers Guide. Filled with player content, Adventurer's Backpack brings to the table 13 new classes, mountains of spells for all classes, rules for counter spells and spell duels, a fresh, easy-to-use unarmed combat rules, war mounts, and rune magic. But more than that, Adventurer's Backpack delivers a new innovative approach to equipment and equipping your character.