Throkesh

Throkesh are born in deep limestone caves where geothermal seams warm underground streams. Folklore among miners calls them brood-sprites of the earth, though they are neither fey nor elementals; they are a twisted lineage of subterranean serpents that evolved clustered necks and a rudimentary pyrogenic organ to survive flashfires and choking vapors. Clutches of Throkesh are rare — a single female lays a long string of leathery eggs in fissures filled with ember-smoke. Young disperse along underground waterways, leaving telltale singed scales on boulders. Scholars in the city of Hargund documented Throkesh attacks on a narrow mining road in 237 DR, and the guild miner Edda Rom declared that driving one from a tunnel requires smoke and mirrors rather than brute force. The Order of Stonewatch now posts guides for explorers: keep fire at your back, never split a party down a tunnel, and respect a Throkesh's lair. Bands of cave-dwelling kobolds sometimes worship particularly large specimens and herd them toward enemy encampments, while hermit alchemists prize the serpent's cinder-sacs for making incendiary powders.

A Throkesh is a mass of 4–6 elongated necks sprouting from a thick, muscular chassis. Each neck ends in a narrow, wolfish head with a gape full of small needle-like teeth and a triangular tongue. The main body is squat and ovoid like a coiled python, covered in overlapping slate-gray scales that darken toward the belly. Along the throat and sides of the necks are rows of heat-hardened nodules—bronze-colored plates that blister and glow faintly when the creature is roused. Tiny, soot-encrusted vents sit under the lower jaws and on either side of the neck base; these are the pyrogenic glands that hiss embers when threatened. At full size a Throkesh is roughly 18 feet long from tail to longest head; an adult can fill a 10-foot-high tunnel with its bulk. Singeing, cinder-streaked scales and curled talons of mineralized saliva give the Throkesh a lived-in, ruinous look.