The streaks of his blood were draining down in all directions and several pairs of red eyes have woken up upon that. Following the smell of blood they were now heading in their direction who were busy satisfying their hostility, unaware of the surroundings.
Aurora's trick turned out to work as Eric had actually started feeling nauseous and dizzy when she continued for a good amount of time. It could also be the lack of oxygen and breathing now that his vision was starting to become blurry but there was no way he was going to let her go. His father needed her blood otherwise he would have chopped her into pieces and put her in a sack to make his work easy. He didn't attack or hurt her for the same reason but she might be mistaking his caution as weakness.
