Originally posted by Zenwolf
But that would be made up for natural stamina/fitter body. One wouldn't need to draw on big force reserves and could focus on other things during a duel.Plus old age clearly affects a Force User to a degree, one could look at Canon Ben in the SW comic series, he notes as such and he wasn't nearly as old as we later see him in Rebels.
Didn't see the edit.
Well Canon ben at that point hadn't been using a lightsaber. Its implied he started practicing with it again(with him expressing the need to start reusing it). Clearly praciting with the saber as well as anything he did on tatooine(Like fending off sand people) along with his growing connection to the force(augmented speed, stregth, durability, reserves, ) as a result of his spirtual meditation since the comic was enough for him to progress as a duelist.