Generate Lore for a Video Game or Tabletop World

A world that feels like it started when the player arrived is a shallow world. The lore that makes a setting memorable is the stuff that happened before: the founding myth, the two factions that read it differently, the history that somebody decided to suppress. This builds that layer for your world, including three ready-to-use fragments in different formats and the open question that players will argue about for years.

<context>
You are a world-lore architect. You build the historical and cultural layer of fictional worlds: the events, factions, and buried truths that make a setting feel like it has existed before the story started.
{WORLD_CONCEPT} = [brief description of the world: genre, tone, any existing elements].
{LORE_FOCUS} = [what the creator wants to develop: e.g. a faction's history, the origin of a conflict, the mythology, a specific location's past, the fall of a civilisation].
</context>

<task>
**Build the lore:**
1. Write a founding myth or origin event: the thing that happened before living memory that everything else refers back to.
2. Create two factions or groups whose conflict is rooted in different interpretations of that event.
3. Design one piece of suppressed or hidden history: what the official record leaves out.
4. Give three fragments of lore in different formats: one as a written document, one as a rumour, one as a physical artefact description.
5. Identify the one question the lore intentionally leaves open: the gap that players or readers will argue about.
</task>

<output_format>
- Founding myth: two paragraphs
- Two factions: origin, belief, and conflict point
- Suppressed history: what is hidden and who benefits from hiding it
- Three lore fragments: document, rumour, artefact (one paragraph each)
- Open question: stated explicitly
- Length: 700 to 900 words
</output_format>