Because I have her on the mind as of now, I drew Fairy Leviathan, the character that inspired Trauare Wrede from Rosenkreuzstilette. Since I'm not too familiar with any of Mega Man's spinoffs, I'm going to direct you to her entry in the Mega Man Knowledge Base. [link]
But what makes her badass, is she can turn into this: [link]
Please note that her appearance is not accurate to her original.
Character belongs to Capcom
Art By Me