Mei

Mei -Ling Zhou is a climatologist and Overwatch agent.

Mei's role in Overwatch

After surviving years in cryogenic sleep at an Antarctic research station, she discovers that her team is dead and the world's climate network has collapsed.

Mei's place in the wider story

Mei uses endothermic technology to freeze enemies, create ice barriers, and study environmental threats while retaining a hopeful belief that science can protect lives.