Because we're talking about combat, and in that context, magic is just another weapon. [It's clear Klan's patience with her on this subject is somewhat thin, from the way her attention focuses on Sheryl in that moment and the bluntness of her words.] There is no weapon that will solve inexperience in combat, Sheryl. You're good for support, and you're determined, but I've seen you try to take the actual battlefield and it didn't end well. I'm surprised you're not taking this more seriously considering everything you've seen.