Her first appearance as Black Bat was in.
Cassandra beat Rose by critically wounding her and giving no choice but to get her medical attention.
I very secretly go into a room and see just you, making sure no one else sees me I then lift my arms and transform into my witch form.
They attempted to examine the base, but although Tim conversed with the assassin tournament's creator, a previously unknown centuries old immortal, the base self-destructed before they could learn any close as to his location.