He smiles back, a fond and genuine one. He liked how frank she was about it. It's clear enough that the girl wasn't an amateur when she spoke.

"Don't know much about magic myself..."

As far as Guts knew, his prowess on the battlefield was all experience and sheer force of determination. He was human down to his bones - just him and his sword.

"You're right, though, most opponents would take you for easy pickings. It's smart to use that to your advantage."

How their perceived fight would go is something he stays silent on. That's something to be decided when they spar.