When Angela vanishes into Gertrude's imagined world-a place stitched from memory, myth, and fear-the Souleaters must follow. But what begins as a mission of salvation quickly unravels into a labyrinth of illusions, betrayals, and truths too dangerous to face.In Gertrude's realm, nothing is what it seems. Witchfinders hunt shadows, allies turn uncertain, and the line between justice and vengeance blurs. To save Angela, they must confront not only the monsters that stalk the dreamscape, but the mistakes that bind them together.The Witchfinder's Mistake deepens the Souleater Saga with sharper rivalries, haunting imagery, and the question that lingers: how far will you go to rescue someone you love when the world itself conspires against you?