In the extreme north, where the cold was unbearable, and life was seemingly absent, the vast ice sheet within the Arctic Circle was once the active battlefield of gods from the Mythological Era. Today, the mysterious energies left behind by the ancient gods still echoed in the depths of the ice sheet. It was as if they were stubborn ghosts entrenched on the planet, calling for the revival of the glorious days of the Mythological Era. That was where the demon hunters built their ultimate bastion.