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…
Grappling hooks have a tendency to miss their targets, or to simply give way. Now both of these problems are solved at once, with a hook that can think for itself!
“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.”