Responses
I had the same feeling. It's cause of the other stories where they make the seemingly nicest nonthreatening characters evil.
I hope he isn't twisted though. I believe he died in his past life because he was good (I forget). This manhwa doesn't seem to have those kind of characters yet, so we will see.

The third prince... he may look normal on the outside but there's something sinister about him or this is my paranoia talking.