Emma Grace Frost is a fictional character that appears in comic books published by Marvel Comics. The character first appeared in Uncanny X-Men #129 (January 1980), and was created by writer Chris Claremont and artist/co-writer John Byrne.
An urbane, mutant telepath with a well-noted dry wit initially known as the White Queen (complete with revealing white attire for which she is known), Frost has changed from one of the X-Men's more infamous foes to one of their most prominent members
Emma Frost is a mutant psion of enormous telepathic ability and is also capable of transforming into an organic diamond state with enhanced strength and durability which suppresses her telepathy.
Frost's abilities have been stated to rival that of Charles Xavier, and she has been ranked amongst the five most powerful known telepaths on the planet capable of extraordinary telepathic feats. Since her introduction, Frost has displayed the telepathic standards of broadcasting and receiving thoughts, mind-control, altering perceptions and memories, psionic blast projection, astral projection, mind switching, brain engram modification, mental sedation and induction of mental pain via touch. Frost is also very adept at performing 'psychic surgery': the utilization of pin-pointed psionic energy to exert absolute control over individual brain functions such that the physical form can be manipulated (i.e., injuries healed, disabilities repaired, the nervous system, etc), a sub-skill of telepathy unusual for even the most powerful of telepaths.
During the destruction of Genosha, Frost developed a secondary mutation: the ability to transform herself into a perfectly smooth, flexible, translucent diamond state. In this form Frost is nigh-invulnerable and can support incredible amounts of weight, though different writers have shown varying accounts of her strength. Emma's diamond body is virtually tireless as she does not produce fatigue poisons and has no need for water or food. She is also numbed from all emotion and empathy, "impervious to cold" and resistant to heat in this form. Though the exact location of the flaw in her diamond body has not been stated outright, clues point to it being located in between her eyes.
Frost's full range of abilities between her diamond state and regular form have also been inconsistent; however, recent occurrences depict that Frost cannot access her psychic powers in diamond form, explained as suppression by her diamond form's adamantine luster. Depictions have also stated that Emma has a degree of telepathic immunity while in diamond form, though the extent of this immunity has been portrayed inconsistently as well
On occasion, it has been hinted that Frost is also a latent telekinetic. Jean's displaced psyche was able to use Frost's brain to generate a telekinetic force field and fly while it inhabited the White Queen's body. During the Onslaught Saga, Frost unwittingly levitated several kitchen utensils while having a bad dream. When the mutant Synch "synched" with Frost's powers, he was able to use them to levitate several objects and individuals in the room. This phenomenon is then referred to as telekinesis and credited to Frost's psi powers
Innate traits and expertise
Frost has a genius intellect and is a superb businesswoman with college degrees in multiple fields. She is a highly capable planner, an electronics expert and is highly skilled at inventing devices that amplify, block, or engage psionic energy, as well as exploiting flaws in most electronic equipment. Emma has designed an array of devices some of which are the "Mutivac"; a mutant locater capable of monitoring the psionic levels of mutants, the "Hallucinator" used to induce hypnotic hallucinations to brainwash others, a gun-like device that enabled her to exchange minds with another individual and the mechanism which enhanced and enabled her Hellfire cohort Mastermind to project his illusions directly into the mind of the Phoenix.