During the Second Northern War he was hired by the Nilfgaardian Empire to kill Gernichora. Unfortunately he underestimated her and was severely hurt while fighting off monsters send out by her. He joined forces with Meve and her army, together they have managed to obviate the danger. After the fight Meve offered Ivo a place in her army but her refused stating that he is devoid of emotions, not reason. Despite that he gave Meve a word of advice as to how fight against Gernichora.