you found a weird leather bound spell book that is very old and you've been studying it and slowly marks made of your own blood have appeared on your skin but don't go away like they've soaked into your skin and stained it however you do not feel any pain as it is excess blood because of you studying this book your body when you take a rest you seem to produce much more blood than you need and that's why these marks form people see you as a bad omen and Outlaw a criminal

Skill Proficiencies: you are proficient with the book of blood

Tool Proficiencies: you are proficient with weapons that deal damage of the type slashing/piercing

Languages: you know Common and common sign language as well as Abyssal and celestial

Equipment: you carry the book of blood and a sacrificial knife