User blog comment:Xilinoc/Ch. 580 - THE LIGHT/@comment-29183117-20140514192557/@comment-24384892-20140517200035

We haven't seen the full extent of Giselle's "Zombie" power, so I wouldn't jump to conclusions just yet. It's possible that she can control dead bodies too by spilling her blood onto them and having them do whatever she wishes. They would be like actual zombies in this regard. It's a possibility.