In Overwatch, Mercy — real name Angela Ziegler — is a selfless healer, a brilliant scientist, and a staunch advocate for peace. Ziegler was head of surgery at a prominent Swiss hospital before pioneering a breakthrough in the field of applied nanobiology that radically improved the treatment of life-threatening illnesses and injuries. She has applied such technology to her own body, possibly slowing down her aging process or halting it altogether.

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