Emma Frost is one of Marvel's most powerful telepaths and a prominent mutant leader. Introduced as the White Queen of the Hellfire Club, she eventually left her villainous past behind to become a respected member of the X-Men and a dedicated mentor to young mutants. Alongside her extraordinary psychic abilities, Emma can transform her body into nearly indestructible organic diamond. Her intelligence, confidence, and unwavering commitment to protecting mutantkind have made her one of the X-Men's most influential figures.