Dragon Above, Desert Below

From the front page of the adventure: The WeavePasha of Almraiven seeks adventurers to recover shards of the Calimemnon Crystal. He has traced one shard to an earthmote floating high above the desert. However, that same earthmote also happens to be the lair of a blue dragon. A Living Forgotten Realms adventure set in Calimshan for characters of the Paragon tier (levels 11-20). CALI4-1, CALI4-2, and CALI4-3 are playable in any order and collectively form the Calimemnon Crystal Major Quest.