Twilight of the Golden Witch

The Final Game
The final game is a showdown between Bernkastel and the husband-wife team of Battler Ushiromiya and Beatrice with Lambdadelta mediating. The final game is designed to be a simple mystery story, one completely devoid of any magical influence. The final game is bound a set of rules which are set out at the beginning of the game:
 * The definition of 'culprit' is 'one who murders'.
 * It is possible for a culprit to lie.
 * It is possible for the culprit to lie even before committing murder.
 * Characters who are not culprits only speak the truth.
 * Characters who are not culprits may not cooperate with a culprit.
 * A culprit must carry out all murders directly, by their own hands.
 * A culprit must not die.
 * A culprit must be among the characters appearing in the story.
 * Purple statements are as absolute as red truths. However, the culprit alone may lie with purple statements.
 * The Reader will tell no lies. In other words,