a writer's 'ability' [='capability', 'capacity'] 'to interest' readers
He always works 'to the best of his ability'. [=as well as he can]
Does he have the 'ability' [='authority'] 'to fire' employees?
(..) I only care about the will of the gods. Only then can everything worldly pass away, can the voices of the gods be heard. And then their spirit dwells in me, and I feel the ability to heal and prophecy. And take on the sins of the world... Upon myself. I have broken my life for your sake! (..)2016 TvShow: Vikings Title: Portage Season: 4 Episode 8