Leg of the Goddess

Immediately following the first fight with Lolth's Immanence, Lolth will attack the party with her eight legs. Upon destruction, each of the legs will turn into a Bebilith Soul. You can see where the leg is about to pop up if you look at the ground. The party should focus on one leg at a time, because if the leg doesn't die and goes back into the ground it fully heals itself. The safest strategy is to go Leg then Bebilith until all the legs are down. Once all the legs are destroyed, Lolth's Immanence will return.