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===Factions===

The '''Factions''' are the philosophically-derived power groups based in Sigil. Before the '''[[Canon:Faction War|Faction War]]''', the factions controlled the political climate of the city. Each of the factions is based around one particular belief system; many of the factions' beliefs make them enemies where their other goals and actions might have made them allies. Most factions are organized into covert cells for their own protection. There are fifteen factions in total, per a decree of the '''[[Lady of Pain]]'''; any additional factions emerging would be subject to her wrath.