Gradually, successive editions came clean about the book's diabolism.
From the guardian.co.uk
The organization has dispatched an anti-occult mobile unit to tour 45 cities in an effort to turn people away from diabolism.
From the time.com
The death metal movement in both North America and Europe adopted and emphasized the elements of blasphemy and diabolism employed by such acts.
From the en.wikipedia.org
There are the ambitious husband, beleaguered wife, treacherous new acquaintances, sympathetic old friends, intimations of perversion and, finally, the confirmation of diabolism.
From the time.com
Challenging this diabolism is Jakov Liebermann, a death-camp survivor who has devoted his postwar life to detecting and exposing unpunished Nazi war criminals.
From the time.com
More examples
A belief in and reverence for devils (especially Satan)
(diabolic) devilish: showing the cunning or ingenuity or wickedness typical of a devil; "devilish schemes"; "the cold calculation and diabolic art of some statesmen"; "the diabolical expression on his face"; "a mephistophelian glint in his eye"
(diabolic) demonic: extremely evil or cruel; expressive of cruelty or befitting hell; "something demonic in him--something that could be cruel"; "fires lit up a diabolic scene"; "diabolical sorcerers under the influence of devils"; "a fiendish despot"; "hellish torture"; "infernal instruments of ...
(diabolically) as a devil; in an evil manner; "his writing could be diabolically satiric"
(diabolize) devilize: turn into a devil or make devilish; "Man devilized by war"
Satanism is a direction and a school of religious beliefs that comprise a number of related ideologies and philosophical beliefs and social phenomena. ...
Diabolic is an American death metal band from Tampa, Florida, founded in 1998 by drummer Aantar Lee Coates and guitarist Brian Malone.
Worship of the devil; Satanism
Dealings with the Devil or devils, as by sorcery or witchcraft.