"Rage and hate are entryways to corruption. It's why demons feed on it and make deals with those in pain. Megatron knew your weakness. It is what tactician does. He wanted you to be vulnerable. It was about his aims. You could have been anyone. Even Castiel."

She watched the blood, curious and drawn. What did angel blood taste like?

"He was foolish. He let his emotions fuel his plan. In this, you must be detached. Uncaring about it all. You make less mistakes."