Claymore (2007)

S1E2 The Black Card

Claire finishes her task effortlessly, so she and Raki head out as they await her next assignment. Suddenly, a mysterious man from the organization appears, delivering not just a new outfit for Claire, but also a "Black Card." Claire is left wondering what this card signifies. Later, Raki crosses paths with the same man, who takes the time to clarify the nature of Claymores, revealing that they are hybrids of humans and Yoma.