"The former White Queen of the Hellfire Club, Emma Frost is a powerful mutant telepath who can transform herself into organic diamond. She has become an eminent member among the X-Men. A gifted teacher, Emma is renowned for her beauty, wit, and revealing attire."
Emma Grace Frost grew up in the rich neighborhood of Snow Valley, Massachusetts as the daughter of a wealthy, albeit abusive father. She developed her powers while under pressure from her father to succeed. Emma blackmailed her father after he got a professor who she was romantically linked with fired. Despite her father being upset, he decided she was smart and offered her to take over the family business, but Emma declined preffering to make her fortune herself. Emma left her family and joined the radical mutant group, the Hellfire Club. After spending a stint as the “White Queen,” she later defected to the X-Men to lead the team.
After the events of the Last Will and Testament of Charles Xavier, Scott has shut down his school and transferred the students to the Jean Grey Institute. Emma questions Scott about the revolution and what it truly meant. She suggests they start all over. Scott shoots her down, but Emma reveals her powers have returned and that he is conflicted about her and that she is to him as well. She wishes him good luck and she leaves the school. Emma visits the Jean Grey School and participates in the trial of Beast. She then goes with every one in the school to Cyclops' final mutant rally where all mutants are united without harming anyone, and doing so in Washington D.C..