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Undersworn is a written sequel story/AU to Undertale. Undersworn takes place in the subsequent resets after a successful Genocide route. Initially following Asgore, Sans, and Alphys, the story soon focuses on the exploits of a being created by the characters mentioned prior in an attempt to combat a genocidal Frisk, and that character's interactions with known characters in the Underground. Drawing inspiration from storytelling techniques often found in the epic fantasy genre, this AU revolves around a linear narrative that draws farther from the original Undertale the farther the story progresses, due to character development and more nuanced explanations of magic systems.