“ A secret MLM (pyramid) company that offers eternal life, but in fact it transfers the life forces of its members to those position 'above'. If you get high enough, (meaning you get enough new members) you start to enjoy the benefits. Maybe a willing sacrifice is much more effective for the transfer. But no one says, that a suddenly unwilling member, threatening to tell the authorities, may not loose it involuntarily... thus start people to vanish, and aged corpses are deposited somewhere safe.”
“ Recently, agents of a necromancer's guild known as the Guild of Morticians have been seen slinking around the graveyards in the metropolis of Jeffsport. They have been seen with many small undead creatures, leading to speculation that someone may be digging up the corpses and selling them to the Guild of Morticians. The Jeffsport Civil Authorities Office and various splinter groups thereof, including the famous Blue Lampsmen (the Jeffsport city guard), have issued a bounty of 100 silver pieces for information leading to the capture of whoever is selling the corpses to the necromancers, and a 30 gold piece bounty on any member of the Guild of Morticians.”
“ The PCs discover a large white ball in the branches of a tree, or in a niche in a cave. Unless magically examined, or by a PC with a specialty in insects, it is a plain, smooth white ball. After a short time, it hatches and releases hundreds of spiders, cockroaches, some other nasty bug”