Diamond Eye is the main antagonist in a story known as Libra Scale,an album by RnB Recording Artist Ne-yo

She was orginally the love Interest of a Hero named Jerome, who was given superpowers and was given 3 rules: 1. protect the city and it's citizens at all times, 2. he can not tell anybody about his powers and 3. the most important rule was to never fall in love but he fell in love with Sinclair somewhere along the line she wound up with a broken heart, after they fell in love, than she gained some of Jerome's power and became the beautiful but very deadly Diamond Eye.