The adventure pack will take the form of five dungeons, all of which can be completed either as level 14 or level 31. All of the quests will spawn in House Jorasco, making them Eberron adventures.
Progressing through the dungeons offers some choice. Players have to complete the “Night Falls on Stormreach” introductory quest, but then can go through the next three missions in any order. Once all four are completed, the “Toxic Treatment” capstone can be accessed.
Source: Official forums. Thanks DDOCentral!
