User blog comment:MrAnonymous/Deathstroke (Spoiler)/@comment-5165918-20121007212614/@comment-5165918-20121007233218

Its the voice. To me, when I heard him speak it made me feel/think "This guy is scary. I think he's going to actually kill or seriously hurt one of the Titans." I mean, he lured Robin to his side and Terra (who needs to be on this show?).