List threads, people, don't make them.
Chi-Chi never needed saving, not even when she was a little girl. She decapitated a dinosaur, for cryin' out loud! She was well-trained in martial arts, able to keep up with Goku there for a bit at the end of the Dragon Ball arc, kept not one, not two, but THREE Super Saiyans fearing for their existence, and these were people willing to fight the most powerful evils in history. And if none of that convinces you:
Vampire Chi-Chi could EASILY take Vampire Bella.