Bloodlines (Grimm, Volume 2)

When a Wesen madman named Silvio forces Nick to help him wage a personal vendetta against a shadowy group that has existed since the dawn of man, Nick finds everything he holds dear caught in the crosshairs. But Silvio's true intentions are not what they seem and the very fate of the world may hang in the balance. This is the can't-miss conclusion to the Grimm comic series!