Many arguments have been presented as undeniable truth by established religions. These assertions begin as deductive or inductive, attempting to justify the position based upon a premise and objective evidence. Lacking true and valid conclusions, these assertions quickly become logically fallacious with conclusions devolving into mere assumption supported by dubious authority, distraction, or ad hominem arguments. Sanctum of Shadows Volume III: Spiritus Occultus explores these arguments and provides insight for the Satanist.