The Bastion Of Broken Souls is one of the exciting adventures I ever saw.
It captures your imagination and curiosity from the start. PCs will find themselves drawn into the story with ever more exciting scenes and NPCs. The whole adventure is colorful and spans over exotic places and worlds. The encounters are unique and gives the PCs a sense of heroism all the time. Players will feel they are in the the center of occurrences and that everything they do has an impact.
One of the most important things about this adventure is the NPCs' AI. When I say AI I don't only mean how the NPCs act and behave, but their actual statistics are wise and intelligent. Many adventures, that claim to be a high level adventures, use only average NPCs, but here you will find that a lot of time and consideration were put to make those character truly deserve their level. After all PCs always get the best of what is offered to them, so why not NPCs?
But it's not just statistics, it's characteristics and role-play of the NPCs that makes them really interesting (if played well by the DM).
All in all it is one of the best adventures for 3rd edition. Try it!