Xylia “Lia” Chambers – A sarcastic and stubborn 26-year-old. Xylia has been through hell and back, literally, and is still strong as ever. She would do anything to protect her younger sister, Tessa. Add demon, a dash of witty comebacks, and good looks, wahlah! You have Xylia Chambers! Tessa Chambers – A brilliant and charming 24-year-old. Most importantly, Tessa is the brainiac of the two. Always in bed, curled up researching for the next case. She relies on her sister to have her back. After all, Xylia did sell her soul for Tessa. ۞ based on season 4 of Supernatural ۞