            At least a thousand prisoners had suffered under Kotov’s hand, but in the end, Kotov had been able to surmise her results. While her subjects all reported different experiences of this "experiential death’, their visions had a pattern; a familiar, transit space bursting with white light. Kotov called this place "the Edge,’ as did the researchers after her. If Kotov had a hypothesis for these spaces, she gave no clues. The researchers after Kotov focused instead on breaking down the potion’s torture effects; increased doses led to some kind of sickness, producing fevers, internal bleeding, and death. She stopped reading shortly after that.