Ma "Exia" Chi is a Chinese Zerg player, currently teamless.
Exia used to be an amateur StarCraft II player before switching to Heroes of the Storm in late 2014. He became a progamer for the Heroes of the Storm's division of Brave Heart and helped his team reach second place in domestic tournament in 2015. After the achievements in Heroes of the Storm, he decided to switch back to StarCraft II and stayed at the same team.
- The term, 南航北驰 (Zhou Hang (iAsonu) in the south and Ma Chi (Exia) in the north), was coined to praise them. The duo were the two best zerg players in Chinese college leagues before Exia switched to Heroes of the Storm.