Dorothy Hewett took The Chapel Perilous as the title for her autobiographical play, in which she uses "the framework of the Arthurian legend, Sir Lancelot, to create a theatrical quest of romantic and epic proportions.
"[2] The term as used in literature is explicated in detail by Jessie L. Weston in her 1920 book From Ritual to Romance.
[3] It is defined by Thomas C. Foster as "the dangerous enclosure that is known in the study of traditional quest romances.
"Chapel perilous" is also a term referring to a psychological state in which an individual is uncertain whether some course of events was affected by a supernatural force, or was a product of their own imagination.
[5] The term "chapel perilous" was used by Antero Alli, in his 1986 book, Angel Tech: A Modern Shaman's Guide to Reality Selection which is based on Timothy Leary's eight-circuit model of consciousness.