Thursday, September 24, 2020

Grognard's Grimoire: Chthonius

 Chthonius (Demon of the Second Shell) (Old School Essentials)

A chthonius by Jason Sholtis

AC –2 [21], HD 9*** (40hp), Att 2 × fist (1d12), THAC0 12 [+7], MV 60' (20'), SV D8 W9 P10 B10 S12, ML 11, AL Chaotic, XP 3000, NA 1d3 (1d6), TT

The chthonius is a lumbering, 10-foot tall pile of rock shaped into the mockery of a man. Although it can be found almost anywhere underground, it prefers magmatic regions, which resemble the Demon Worlds from which it comes. Its ambitions elsewhere are obscure and few magicians bind chthonii into service, though there are tales that these demons played a role in the fall of the the monastery of St. Gaxyg-at-Urheim. 

As a demon of the Second Shell, a chthonius is susceptible to ordinary weapons. In combat, it fights with its powerful fists. Its mouth froths and exudes a mephitic vapor that causes violent choking to all living creatures within a 10-foot radius who fail a saving throw versus poison. The effect lasts 2–5 rounds and a new saving throw is required every time an opponent leaves the range of the vapor and re-enters it. A chthonius can use the following spell-like abilities at will: cause fear, continual darkness, and detect invisibile. It may also summon another chthonius with a 25% chance of success.

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