Dr. Cecilia Reyes is a fictional character from the Marvel Comics universe. She is a mutant with the ability to generate a protective force field around herself, which she can control at will. Dr. Reyes is also a skilled physician, specializing in trauma surgery, and often uses her medical expertise to help others. In the comics, Dr. Reyes is known for her strong moral compass and dedication to her patients. She has been a member of various superhero teams, including the X-Men, and has played a significant role in storylines that explore themes of identity and acceptance within the mutant community.