Chyth Broodling
“Khythons” by Lars Grant-West, © Wizards of the Coast. Accessed at the Book of Vile Darkness Art Gallery here
[Once upon a time, Monte Cook wanted to use some Tyranid miniatures from Warhammer 40,000 in his D&D game. So he cooked up a homebrew race of “kythons” to fit them. When Cook was the head developer on Book of Vile Darkness in D&D 3.0, he imported his kythons to published D&D, although he left their creators behind. These were the Galchutt, who were pretty clearly lifted from WH40K’s chaos daemons. Maybe he thought that was a bridge too far, maybe he just wanted to hang onto his IP (the Galchutt later appeared in Cook’s third party projects, Ptolus and Chaositech).
So we have the kythons (spelled khythons in the Art Gallery, and with a one piece that didn’t appear in the finished book). A ripoff of a ripoff (as the Tyranids borrow heavily from the Xenomorphs from Aliens). They got tweaked, neutered, into the kruthiks in 3.5′s Miniatures Handbook, which took out their most interesting ability, the signature weapons. We’ll get to those with the next entry, but the broodlings don’t have hands. I never used kythons back in the day because they were extremely overpowered. The juvenile kython, for example, is supposedly a CR 3, but has 41 hp, an AC of 20 and an average damage output of 21 hp (and two different poison saves) per round! In 2002, I was already writing my own monsters and could tell the kythons needed a tweak. Now is that time.
One last thing: the names. In the BOVD, the castes have goofy names like “slaymaster” and “slaughterking”. I’m just calling those “queen” and “king”. The BOVD makes it sound like the kythons are all fertile as adults and just randomly develop into greater forms. I’m making them work more like genuine eusocial insects. Kythons were named in a setting that already had kytons, for some reason. I’ve altered the name to incorporate more of the alternate spelling from the Art Gallery. If you call Pathfinder’s Hellraiser fiends “velstracs”, you may want to stick to calling these “kythons”. Or heck, call them kruthiks!]
Chyth On a distant world in the Material Plane, a triad of powerful fiends attempted an experiment. One each of daemon, demon and devil, they sought to cooperate instead of competing with each other in the ruination of a world. To this end, they each collaborated on creating a new life form, a relentless predator without compassion or pity, a perfect killing machine. The chyth were the result of their labors. That original planet has since been stripped of life except for small enclaves of devil worshipers and ever-warring chyth hives. And some of the monsters themselves have moved on, establishing colonies on other worlds.
The chyth are a colonial, eusocial species. Their reproductive castes are the king and the queen, of which each hive has a single individual. Broodlings are raised by their older brothers and sisters, and dead chyth and their waste products are recycled into modular weapons that the workers can fuse to their limbs. Chyth hives are ferociously loyal to their own members, but view most other hives as competitors to be eliminated and reprocessed. When a hive does reproduce, its young king and queen move very far from their parents before establishing a new colony.
Chyth speak their own language, a pidgin of Abyssal and Infernal. Anyone who speaks one of these languages can decipher a chyth’s speech with a DC 20 Linguistics check—the DC drops to 15 if they speak both languages. Chyth speak almost exclusively amongst themselves instead of talking to meat, but they do keep records of each hive’s accomplishments. Their writing is in raised glyphs and read through touch.
Chyth Traits “Chyth” is a subtype of aberration with the following characteristics
blind. Immune to visual spells and effects and gaze attacks
blindsight, of a variable range between castes. This blindsight is based on vibrations, scent and other subtler frequencies. A chyth in the area of a strong smell, such as a stinking cloud or similar effect, is limited to blindsense in the area.
Immune to acid and cold
Resist electricity 10 and fire 10
Stealthy as a bonus feat
Chyth Broodling CR 1 NE Aberration This long lean creature has a pointed, eyeless head, short legs but no arms, and a barbed stinger at the end of its tail.
Chyth broodlings are the juveniles of the chyth race, and their primary duties to the hive are to eat and grow. Most of them never leave their hives, instead being fed butchered flesh brought to them by their older, stronger kin. In addition to meat, they are given doses of enzymes and protein excreted by the queen—these determine whether each individual broodling will grow into a minor, median or major worker.
Chyth broodlings are as vicious as the adult forms, even if they are not nearly so powerful. Their stings contain potent venom, and their bites are remarkably strong for their size. Possibly their most dangerous weapon is their blood—when spilled, it sends all chyth that sense it into a state of heightened alertness and agitation.


















