A One-Round Living Greyhawk Core Adventure From the introduction: The Tower of Sleep, home to Shemaya, the last human survivor of ancient Sulm has reappeared in the Bright Desert. But something is not right. The tower is changing and decaying. Sounds of great conflict and screams of terror have been heard from inside. Could it be that time's tide has finally run its course? A one-round core adventure set in the Empire of the Bright Lands. For characters level 5 - 15.