I'm disappointed they didn't come up with "something" for a personal action for Yoko. I say they should have allowed her to enchant her staff so that it would temporarily give her life whenever she struck something with it. I don't care how much MP it would take to do that in order not to make it cheap, it's at least a signature ability for her, of which she doesn't have many.
Actually, her selling line was "Manifest as this witch ally of the Belmont clan and inherit the powers of the magic seal!", so I thought they'd give her some strange kind of seal-based ability.