This is a metaphor. unlike a simile, for example, Brave as a fox comma it does not use like or as. the definition of a metaphor is, a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable
Hercules killed his family so Hercules had to complete twelve labours and Hercules was contrite.
You can try starting with a question, fact, or sound affect to help grab a reader's attention, but it should fit well with your topic.
