Name: Katie Lockwood. 

Gender: Female.

Profession: Immortal. 

Hobby: Stick my pen into my palm and twist it three turns. 

Follow the masochist Katie as she slashes and dashes across the Supernatural world and discover her true identity. 

In case the title, the descriptions, and the warning tags didn't make it clear, there is a ton of gore and violence in this novel, so if you're uncomfortable with that...

Cover image is custom-made on Webnovel.