So her back was just as guarded. That's a shame. While Drake would have aimed for the head against an enemy like this, she isn't looking to cause any fatal wounds either. She wanted to do everything she can to win, but killing her employer wouldn't serve her well afterward. Drake clicks her tongue as the attack seems only sting Arturia than do any lasting damage. And no doubt that same attack wouldn't work twice.

"Oh, no, Queenie. I let you have that chance."

Drake begins walking backwards as she lets loose a rain of fire from her pistols. Surely this should slow her down. For a knight's swordsmanship skills to be effective, she needs to get close enough to use her sword. Whatever it takes, Drake needs to prevent her from getting close enough.