Lambdadelta

Lambdadelta (ラムダデルタ) is an extremely powerful witch who was once known as the strongest in the universe.

Personality
Lambdadelta typically maintains a childish personality around the other witches, however she hides a sadistic side and only reveals it when she wants to be serious.

Turn of the Golden Witch
Lambdadelta first appears in the Hidden Tea Party of. She is invited by Beatrice to assist her in defeating Bernkastel.

Banquet of the Golden Witch
Lambdadelta occasionally appears during to comment on how the game is progressing. During the Tea Party, Lambdadelta expresses her annoyance at how how lackadaisically Beatrice is playing the game and demands that she play future games with the intention to winning against Bernkastel.