This question is based on General Literary Principles
An irredeemable reversal of the hero's fortune in a tragedy is called
Answer Details
The term for an irredeemable reversal of the hero's fortune in a tragedy is "peripeteia". Peripeteia is a sudden and unexpected turn of events in a story, usually in a tragedy, which results in a reversal of the hero's fortune. It is often referred to as a "twist" in the plot, where the hero's situation changes from good to bad, or from bad to worse, due to a character flaw, a tragic mistake, or a twist of fate.