A Bored Lich

"Screw magic, I want to learn how to do cool flips and stuff." Magic is awesome, until you've studied it for centuries. Doevm reincarnates into a human to experience the path of a fighter to its fullest and swears not to rely on magic. There is only one problem, a goddess stands in his way. She pits him against both the hero and the villain for all of eternity. How will he escape this, with magic or his fists? Maybe both?