C³ - CubexCursedxCurious S01 E03 The Antimony of Their Temperatures

Using her power to the full to beat Peavey, Fear calls up various torture devices using her cube to attack her, including a massive guillotine that cuts off her left arm completely. Still in a crazed state, Fear attacks Haruaki before running away and trying to commit suicide, but Haruaki goes after her.