His lips curled into a smirk as she laid her head at his feet and he just shook his head a little bit. He was a demon of corruption, not a ‘master’. That didn’t mean he couldn’t enjoy it, but it really wasn’t him. He took another slow breath, however, as he regarded her.
“You need to learn how to walk amongst humans as one of them. You need to learn how to live on the surface world amongst those you consider beneath you or even your prey.” He tilted his head slightly as he let a line of thought go through his mind. “In truth, you need to become just like the one you were sent to kill. If you can’t, then you really will be worthless to me.” Apparently he knew about why she was here.