He doesn't have the power anymore to simply leap up over a sword swing so a duck will have to do. She knows what she's doing with her sword, but she lacks something and he thinks he knows what it is. Funny, people don't tend to do that with him.

He moves quick bring that knife to block the force of her sword and it's then she'll find his face lit up with the thrill of this. He pushes her blade up, making it swing high and then spinning, blade switching hands, to get a shot in closer at her.