Ultimately, Gehenna serves as a cosmic "warning sign" regarding human autonomy. It represents the logical conclusion of a life lived in opposition to love, justice, and the divine order. Whether viewed as a literal furnace, a temporary spiritual carwash, or a metaphor for the internal rot of the soul, Gehenna forces a confrontation with the idea that actions have ultimate, lasting consequences.

In traditional Christian thought, Gehenna became synonymous with Hell—a final destination of eternal separation from God for those who reject divine grace.

Some theologians argue that the "consuming fire" of Gehenna implies a total destruction of the soul rather than eternal conscious torment, suggesting that the "second death" is a final end.