Sephiroth tilts his head at her. That's less annoying, and more familiar. He's never had a sparring partner on equal footing; he's much stronger and faster even than his fellow First Class SOLDIERs, and those fights are more often teaching moments than they are opportunities for him to blow off steam. If she wants to learn from him... it's a familiar pattern, but the outcome is less certain. She is, after all, from another world.

"I am open to teaching you," he says. "Though I'm afraid I can't join you in turning your nose up at magical thoery. I'm no necromancer, but I am versed in magic. I simply can't cast here. A sword is... more reliable."

Even if he doesn't have a proper one. He at least has a blade.