Planescape review: The Vault of the Drow

For the last three years, I've run a Planescape1 campaign through almost all of its modules. Now, after successfully finishing it, I want to look back and review these adventures, highlighting the pros and cons of each one. Each module will be rated in three categories, up to 3 points in each: Presentation: how easy it is to understand and run the adventure. Openness: how open the adventure's scope is, regarding the freedom of choice. Quality: Overall quality of the adventure, including the originality and richness of its content, and players' enjoyment. The full list of currently published reviews is available under the planescape tag. The Vault of the Drow Designer: Monte Cook Source: Dead Gods:2 Out of the Darkness, Chapter VI Party: 4-6 characters of 6th-9th levels Play-time: 1-2 sessions Locations: Abyss / Plain of Infinite Portals (L1) Abyss / The Demonweb (L66) Prime / Oerth / The Vault of the Drow Following one of the clues from the previous chapter, the characters must now…