Give her one mechanical arm or mismatched stockings to emphasize the "modification" aspect.
Many creators design "Extreme Modification" versions of magical girls as free-to-use (FTU) avatars for aspiring streamers.
is often portrayed as a celestial warrior who draws power from the moon’s phases. However, the "extreme modification" aspect suggests she is a version of the character that has survived a catastrophic event—perhaps a digital corruption or a galactic war—requiring her to rebuild her form using advanced tech. Theme: The New Moon (the hidden power in darkness).