Batgirl #29 pg 19

Batgirl has pinned the demon-girl to the floor with Strix's help.

Andrew Bennett aka I, Vampire, explains that the real Cissy has been dead for a while the demon child they are holding is just a shell for a vampire. Bennett promises that he will take care of this vampire girl.
Silver points out that she won't be leaving with Andrew, because the little vampire bit him and all he drinks, day and night, is holy water.
Instantly, the vampire body erupts in flames.

Originally published May 2014