J.R.R. Tolkien used the term eucatastrophe for a sudden joyful turn after catastrophe in a story.
Tolkien introduced the word in his 1947 essay “On Fairy-Stories.” He formed it from Greek elements meaning “good” and “disaster,” describing a sudden change from apparent ruin to unexpected joy. In his theory, the eucatastrophic turn is a defining feature of the fairy-story’s emotional power.
Tolkien applied the idea to several moments in his fiction, including the rescue of the Ring-bearer on Mount Doom and the unexpected arrival of the Eagles at key battles. Eucatastrophe does not mean that all suffering disappears or that every ending is simply happy. It means that hope arrives through a reversal that seemed impossible.
The term is often confused with anagnorisis, a recognition scene, or peripeteia, a reversal in classical dramatic theory. Tolkien’s concept specifically emphasizes joy arising from catastrophe.