Board Thread:Mortal Kombat X/@comment-21005855-20170314013445/@comment-4708902-20170704014220

Well Raiden can still use some of his powers outside of Earthrealm according to official lore. Maybe a race native to a water realm is semi-amphibious and can survive for a certain ammount of time out of water, but will need to head back to water to recover oxygen.