What's the noun for willpowers? Here's the word you're looking for.
will
One's independent faculty of choice; the ability to be able to exercise one's choice or intention. [from 9th c.]
One's intention or decision; someone's orders or commands. [from 9th c.]
The act of choosing to do something; a person’s conscious intent or volition. [from 10th c.]
(law): A formal declaration of one's intent concerning the disposal of one's property and holdings after death; the legal document stating such wishes. [from 14th c.]
(archaic) That which is desired; one's wish. [from 10th c.]
(archaic)Desire, longing. (Now generally merged with later senses.) [from 9th c.]
“So that it is well seene, shee ruleth our senses and bridleth our willes.”
“Willes had his supporters, even in the newsroom, and his ideas were hyped as a way to save a dying industry.”
“Steel, aged 43, whose home in Willes Road, Leamington, has just been sold, had pleaded guilty to five charges of fraud and one of breaching package holiday regulations.”