Pros:

1. The scenario is quite flavourful, and best presented directly after Mayhem in the Earthspur Mines.
2. It really develops on the Mulmaster Cloaks and their relationships with other local powers, expanding on the other factions vying for their slice of authority on the Moonsea.

Cons:

1. The DM really needs to be on the ball to keep up the pace, otherwise it can become quite monotonous.
2. The overall scenario doesn't quite manage to represent the core tension of the elemental cults, and the final encounter doesn't depict the flavour of the featured cult particularly well.