Excellent supplement for expanding Mbala in your Tomb of Annihilation campaign! I have been looking for a way to expand upon the Sewn Sisters outside of their random jungle encounter or first meeting them in the Tomb and this helps very well with that! I also love the expanded lore, the maps, and the Crypt of the Last King encounter. Would recommend to any DM running the Tomb of Annihilation campaign, especially if you know your players will be stopping by Mbala along their journey!