Nico Minoru aka Sister Grimm the unofficial leader of the Runaways can control the ancient Staff of One, which can only be summoned when her own blood is drawn. She is also a novice at using the Staff and sometimes messes up her commands.
Related Dorksidetoys links: Marvel Legends Nico Minoru, All Marvel Legends, Newly Listed Marvel Legends Mystic Rivals Nico Minoru.