The Tomb of Kings

From publisher website: For centuries Zanzia has been ruled by one king. But long ago there were many kings who fought for control of this vast country. One great warrior king won control over the country after defeating all of the others in battle. Although they were his enemies Pom Laven built a great tomb for his former adversaries. It was hidden in the southern swamp land of Zanzia away from the preying eyes of tomb robbers. It had been lost for centuries but has recently been discovered again. Only the bravest adventurers dare explore the tomb. The riches of ancient Zanzia await them in these halls. An adventure for characters of level 3-6.