If I've to pick, I would pick Luna Lovegood. 초 of your duel is the one who takes your place when 당신 are in no condition of duelling. She is a good dueller. But 더 많이 than that, a 초 should be good in healing. Then Luna is an obvious choice. She's very good at healing (using "Episkey" and all). So,, LUNA...
I'm a girl. An antifeminist one. I can't picture myself dueling. I'd prefer others to duel for me. That was a joke. Others dueling for me, I mean, not me being a girl 또는 an antifeminist. That's not a joke, 당신 can see it on my profile. That I'm a girl. Not that I'm an antifeminist. 당신 can't see that, but that's not a joke either. Dead serious stuff. So be it, I'm dueling someone. My 초 would be Albus Dumbledore. If I'm to die in a wizarding duel, into which I'd never get in the first place, it's the least that someone sends my opponent after me. 당신 know. To finish the duel, to have a snack. Philadelphia Cheese Cream. Dumbledore kicked lots of ass. He'd make sure I get my opponent got his cheese. I'd gratefully thank him. Is there such as Philadelphia 산딸기, 라즈베리 Jam?
Voldemort. No doubt. Greatest dark wizard of all time, who, in Dumbledore's words, knows 더 많이 about magic than any other wizard (of the 20th century)? Being that tripped out on the Dark Arts must make 당신 damn good at offensive magic. Whoever was duelling me would no doubt die, probably painfully. Unless they were Harry Potter, but that's because he's Harry Potter and not because of superior duelling talent.