Definition of "heptalogy" []

• # A set of seven works of art that are connected, and that can be seen either as a single work or as seven individual works. They are commonly found in literature, film, or video games. (noun)

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• "The final word, “scar,” might not refer to the one on Harry’s forehead, then, but to a new mark that appears on another person, now the bearer of Harry’s purified soul — and perhaps the protagonist of a lucrative new heptalogy."