Call of the Horde

From the introduction: Call of the Horde is intended for four characters with an average party level (APL) of 5. Characters who complete this adventure should earn enough experience to reach halfway to 6th-level. The barbarian tribes are gathering and this can only mean war. This campaign takes place in Arden, although it can be set in your own world. Any party composition should be able to finish the adventure with intelligent play.