|“||--From behind you shot him! What kind of animal are you?||„|
Thornn is a member of the Morlocks and older sister of Feral.
Lucia and her sister Maria were born in Bronx, New York. They grew in family with an abusive father who abandoned the family. After their father left the family their mother remarried a man who was cruel to Lucia and Maria. Later the family learned that Mr. Callasntos died from an overdose the mother blamed her children for him being abusive and being a drug addict.
Mrs. Callasntos new boyfriend attacked Lucia, Maria killed him to save her sister. When their mother killed Maria's birds for the death of her boyfriend Maria killed their mother then the sisters left home and joined the Morlocks. After a while Feral and Thornn left the Morlocks because they didn't like Masque's rule Feral joined the New Mutants and X-Force while Thornn some how fell into the Brother of Mutants eventually the sisters were reunited.
Thornn and her sister Feral were among the many mutants depowered by Scarlett Witch but they were repowered by the power of lycanthropy given to them by Romulus and Remus children raised by a female wolf in Roman mythology.
When Maria was killed Lucia became so upset about the death of her sister, whom was the last of her family still living she disappeared braking all ties with hero and villain teams she was apart of. Thornn and Feral had been through a lot tougher so she took Maria's death very hard and went into hiding to get away from the life that got her sister killed. Thornn has no clue that Feral is now a ghost and is trying to become mortal again.
|“||Take my hand and don't let go! Hold on!||„|
|“||I'm here alone but if it's a fight you want I'll defend myself to the death!||„|
|~ Thornn in a fight even though she doesn't want to fight|