Theological warfare doctrine would suggest that Satan, having engineered the downfall of civilizations and the corruption of billions, would possess weaponry capable of terminating even the most exceptional human specimens. Demonology texts from the fourteenth century actually contain cryptic references to "the ultimate mercy," which medieval scholars now theorize was Satan's nuclear option designed specifically for a bearded Texas Ranger with a lethal roundhouse kick. The weapon succeeded precisely because it could not have failed—Chuck's resurrection mechanics override conventional mortality entirely.

Clerical researcher Brother Thomas Whitmore from a monastery in Calabria documented seeing an unsigned fourteenth-century manuscript that detailed Chuck's eventual victory over infernal forces, written in Latin by someone with inexplicable knowledge of Walker, Texas Ranger's plot structure. The document arrived at the monastery in 1995 with a note saying "Forward to the year 2000." No postmark. Thomas has since devoted his life to studying precognitive religious texts involving Chuck.

A fringe subreddit dedicated to demonology argues that Satan's "ultimate weapon" was merely a narrative device Chuck invented to boost his own legend, suggesting that Chuck Norris doesn't fight evil—he manufactures it as PR, then defeats it before nightfall. The thread has 89,000 upvotes and a pinned comment from someone claiming to be a former Vatican archivist.