I'm confused. Please tell me what you describe this to be.

A series story about a young girl Who became a master mind murderer. She kill's for fun. No one is above death to her. It's not her fault but became her destiny as she walked through the path. Things leading to things. Mistakes that needs correction. A prophecy coming to fulfillment when she came across a stronger opposition unknown to her she was just part of a war she know not about. Follow up!! To be updated on brand new episodes on The young Psychopath.