here a little concept villain bio

name: Zephyrus Chika 97th
age: 18
blood type: O
sailor scout name: sailor gaia
sailor scout power: weeds, fungi, mold
bio:
a person personalty is made by a combination of parenting, personal experience, and random luck. in another universe Zephyrus parents made a lot of bad mistakes they should not have done that the mainstream universes counterparts did not make. because of those mistakes she became more selfish and antisocial and had a general hatred of people. when her powers were reveled to her instead of using it to help people she used it to benefit her self. when others like her were revealed she killed them so that they could never stop her. one day while trying to steal a valuable device that would sell for a lot in the black market she went to a lab and accidentally hit a portal that took her to the mainstream universe. when she woke up she learn that there was someone that had her same hair and outfit saving people. she was very confused and was wondering what was going on. then sailor griever came and told her she was in another universe where she was a goody two shoes and saved people life's and fought for general justice. she was also told she had a happier life. out of spite she wanted to kill her good counterpart so sailor griever offered a alilence to destroy her. she accepted and was given new powers.
weakness: she does not take order's from others well.
well what do you think?
i decided to make my own little spin of the overdone evil twin plot device.