Hearthstone Mercenary Group

The Horde and Alliance once again joined forces to defeat the invasion of the Burning Legion. But it also caused great trauma to Azeroth, and the planet was about to collapse. All the heroes on the planet worked together to create an ice barrier to seal the planet. Most people can only board a spaceship and wander among the stars. ... Twenty thousand years later, news of Azeroth's recovery spread like wildfire. People who came back from the alien world discovered that, The heroes of the past are no longer here; A building called the Hero Pool and some extremely powerful creatures appeared on the planet...