“Since the vile Plante’s Deceased Hoste is not technically a Part of its Anatomy, any attemptes to Kill the Monster using regular methods is likely to prove Futile, especially that of Beheading the Creature. It seems to regarde its Head as a most Unnecessary part of its Composition, and thus as it moves its Head exhibits a frightening lacke of Expression, and lolls in a way most Unpleasant to observe.”
Long sieges can be a trial for both sides. For the beseiged especially, finite ammunition supplies always pose a problem - except when the ammunition can reproduce…
A swamp witch that, when she dies, a huge black worm burst from her corpse and tries to burrow into the nearest living creature to use as a new host. If the the worm is injured in-between hosts smaller black worms swarm out of any wounds and burrow into anything living.