For as long as you can recall, your body has never been your own. In reality, this body is possessed by you, one of the 88 constellations and have felt disconnected from the rest of your kind for as long as you can remember. You do not know where the original person starts and you begin. You have spent your mortal life hoping to leave behind this body and gain a body that is representative of your true celestial form in a way mortals can comprehend.

Skill Proficiencies: Arcana, insight 

Tool Proficiencies: You have dedicated yourself to a tool that will help you create your true form in one way or another. You are proficient in any tool of your choosing

Languages: You are proficient in common as well as celestial and common sign language