Serendipity language was by Horace Walpole in 1754. In a letter he wrote to his friend Horace Mann, Walpole explained an unexpected discovery he had made about a (lost) painting of Bianca Cappello by Giorgio Vasari by reference to a Persian fairy tale, "The Three Princes of Serendip". The princes, he told his correspondent, were "always making discoveries, by accidents and sagacity, of things which they were not in quest of". The name comes from "Serendip", an old name for Sri Lanka (Ceylon), hence "Sarandib" by Arab traders. It is derived from the Sanskrit "Siṃhaladvīpaḥ" (Siṃhalaḥ, Sri Lanka + dvīpaḥ, island).
The Unexpected (2018 comic book) Unexpected"s main connection to the events of "Dark Nights: Metal", as she was a paramedic that got injured during the events of the crossover. Besides the series' connection to the events of "Dark Nights: Metal" and the Dark Multiverse, Orlando stated that "The Unexpected" also deals with the post–"Flashpoint" Multiverse, "Crisis on Infinite Earths", "Infinite Crisis", and "Final Crisis", showing how many of these stories are connected to each other. Additionally, one of the book's core themes is discovery. Regarding the characters, Ryan Sook stated that he designed them based on the descriptions he'd received from Orlando and sent them