Twice-grown Corpse Fly
hatched in the soft skull, hungry for the next
HP 4, Morale −, Exoskeleton −d4, Bite d4 + special Special: Test Toughness DR12 or become host for a dozen freshly laid fly eggs. Extract them within d6 days or watch them hatch in your corpse.
Lore: Bursts out of urns and skulls in the Catacomb Corridor looking for food. Twice grown because the first cycle was a fly that hatched in a corpse; the second is you. The fog of Graven-Tosk is full of their droning when the ground sweats. Eat-Prey-Kill notes them as native fauna of the cemetery alongside the Meatroach and the Unbred Mutts.
Graven-Tosk, Graves Left Wanting, Eat-Prey-Kill, The Catacomb Corridor, Meatroach, The Roach Herder
Whether the eggs can be extracted by another's hand or only by the host is unspecified; "extract them within d6 days" implies surgical, not magical, removal. What "twice grown" means precisely — two life cycles, two abdomens, two sets of wings — is left to the GM's stomach.