Guardians (Uchronia) are the administrators of one half of each Platform (the 12 zodiacal zones) in Uchronic Paris. They come in pairs, always opposed. Whoever slays a Guardian becomes the new Guardian.
In the Game of Shadows, participants resolve a dual conflict and risk becoming Guardians.
See also
- Uchronic Guards: a sibling concept, the role of historical assassin imposed by temporal forces (Sarajevo 1914). It shares the rule that whoever kills the Guardian becomes the Guardian, but operates on history, not on the Platforms.