What is medic mercy?

As an AI language model, I can provide information on Medic Mercy as a video game character from the popular first-person shooter game, Overwatch. In the game, Mercy is a support character who specializes in healing her teammates and boosting their damage output. She has various healing abilities, including a healing beam and a regeneration field, and can also revive fallen teammates. Mercy is known for her altruistic personality, constantly putting the needs of her teammates above her own and striving to rescue as many people as possible. She is a popular pick in competitive play due to her powerful healing capabilities and ability to keep her team alive.