While the script is sometimes described as "jagged" or lacking the wit of Craven’s later masterpieces, the film demonstrates his growing talent for staged tension. Scenes like the spider falling into a character's mouth showcase a refined ability to elicit physical revulsion and dread, moving toward the "surreal nightmare" logic that would eventually define his career.

Critics often note that Deadly Blessing is one of Craven’s most personal works, reflecting the tensions of his own strict religious upbringing. However, the film frequently prioritizes "inspired scares" over a deep interrogation of the Hittite belief system.

: The community’s leader, Isaiah, views Martha’s farm as a stain on their holy land, even attempting to buy her out to cleanse the area.