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?
(..) about power. But I ask you now, if we choose you... will you wear the crown? Will you lead the Seven Kingdoms to the best of your abilities from this day until your last day? Why do you think I came all this way? To Brandon of House Stark... (..)2019 TvShow: Game of Thrones Title: The Iron Throne Season: 8 Episode 6