Just wondering, In the Peristaltic tube the rakshasa and the fire giant (in The Test of the Smoking Eye adventure) own a Lantern of Guidance. Where would they have got that from and seen as though the bebilith is dead what would they have had to do to get it?
Thanks.
The best solution is that they aquired their lantern while Asmodeous was still free. This gives Asmodeous the ability to replace the bebilith through various means, such as a different bebilith or a raise outsider spell, or even through his shape realm ability.
Another possibility is that if the lantern is taken, another lantern forms a day later as a replacement. In the times when Asmodeous was free, he would of replaced the bebilith through one of the means listed above but with him gone and the mummy dismissed, the group just had to walk through the "spider maze" and claim the lantern (maybe they had been waiting for this for some time?).