Fan fiction writing prompt

The Holmes Siblings of Steampunk London

In an alternate universe, Sherlock Holmes and Joan Watson are siblings navigating the intricate web of politics and power in a steampunk Victorian London. Despite their differing views on justice, they must collaborate to foil a plot that threatens the stability of the British Empire. Write a story uncovering their adventure and the emotional struggles they face in maintaining their familial bond.

Suggested length: A one-shot: 1,000 to 5,000 words

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Three ways to take this prompt somewhere nobody else will.

  1. Change one decision in the original story and follow the consequences.
  2. Make the trope work for a reason that only fits these characters.
  3. Tell it from a side character's point of view.

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