Cateline just blinked at his explanation of himself. His last few statements disturbed her. She felt her stomach churn, and she set down her fork. "Oh.." She breathed. She had started to feel Damien was a bit more humane than she had experience so far, but this brought her back to this new reality. 
"Than I should be safe to assume that no enemy that we may come across in our new journey together will have a weapon such as yourself?" Maybe that was what she should think of him as. A weapon. In her search for answers, he was just a tool. Something to keep her alive, and something to help her along the way. Damien was not a person. Cateline would have to remind herself of this. 
And any information about him would be useful. "Why would you do that?" She asked him, almost hesitantly. "Devour them all..?"