Much harder to find than Cults of Prax and worth the chase, it contains nine dangerous deities that give evil and chaos a fighting chance. The format is nearly identical to that of CoP, including excerpts from the Adventures of Paulis Longvale, a Lunar initiate. The book strongly recommends to GM's that players never join these cults, but the temptation is a strong one. The artwork could give people nightmares. Gushing blood, severed heads, gut wrenching unholy rites, twisted chaos creatures, and abominations to the sight of the gods abound in gossamer black and white detail. The 22 introductory pages, especially the cosmology section and the pronunciation guide, provide some of the best source material to date. You get chaos features, Thanatar gifts and geases, and everybody's favorite, the Crimson Bat. How many of us have plotted to destroy this dreaded tool of Lunar diplomacy? They added the new runes of Heat, Cold, Ice, Light and Undead. Every cult is great except for the cult of Primal Chaos, the most simple one ever written. Lords of Terror put most of this book back in print. ( )