Hermione spoke the incantation in the smallest voice she could gather.  Mutare Animus, Sensus Immuto, Sensus vim extermina...The purple light flowed from her wand, swirling around them. Using her wand to guide the motion of the light, Hermione expertly directed it above Malfoy. With all the force she could gather, she grounded herself and willed the magic to bend to her. Without a word, she cast another spell, but this time only from her mind: Finite Incantatem. The purple light diminished. Hermione dropped her wand and released Malfoy’s hand.