Black Thorn is kunoichi who in the top 15 female assassin in the Far East. Black Thorn also takes delight of toying with her targets and foes alike with her twisted ways. She is also an extremely deadly martial artist and swordswoman.
She's a member of the Conquerors.
in Fearless Slayers Movie: Madness in Marmoreal, She helped Sao Feng, Mechanicles and Aquamaria to bring Tartinus' Champion, Jabberwocky. she and Sao Feng was ordered to attack the Fearless Slayers, only she and Sao Feng was defeated. after Jabberwocky is defeated, she and the Conquerors retreated.