Sentence:  Bridie! Bridie Kelly! He will never forget the name, ever remember the night, first night, the bridenight. They are entwined in nethermost darkness, the <WSD>willer</WSD> with the willed, and in an instant ("fiat!") light shall flood the world. 
Meaning of the word marked with <WSD> tags:  One who wills; who causes by an act of will or willpower.