[@Sir Lurksalot]
Pfft Vivi doesn't need magic. She's the least skilled magician in the Celestia household. She's lighter and faster. Not sure on the fitter part though. Duncan is certainly physically stronger though. And more experienced.
But Vivi also fights Mabeasts for a living.
[@Spriggs27]
Well you could blow fire and I don't know....move away from the pit using that momentum.