The sinister little insects known as earwights are thought to have once been earwigs who fed on the decaying flesh of revenants or other matter suffused with necromantic energy. Now much prized by assassins and occasionally by adventurers, earwights have developed the unique ability to burrow into the brain matter of a corpse and secrete a series of alchemical substances that reanimate the cadaver, transforming it into their putrescent puppet. They can perform similar operations on the brains...