As far as a line for anakin, I would with something that almost comes off as threatening such as :
"You will feel the power of my blade"
"I'm afraid you'll lose your head for this"
Something that shocks the audience into wondering why anakin is getting out of control with this discipline. And it can be "Vader-esque" at the same time. Not to sure about the "slice to ribbons" line........kind of reminds me of "my powers have DOUBLED since the last time we met, Count".........which was a line that had a bad beat to me. But great job, i'm one of your earliest and most eager fans.