In the white world, covered by frost and ice, shadowed in perennial darkness, over which a raging blizzard howled with no sign of stopping, grew a remarkable race, the frost spirits.

The frost queen, seated within her ornate palace on a throne of frozen jade, likewise sensed the appearance of two new superior worlds. She immediately stood up and frowned. "Two more...?"

Outside the palace, a blizzard continued to rage. She pondered for a moment, then decided, "Now's not the right time. The war against the death spirits is still ongoing. I'll make plans once it's over."

In the world of black fog, wreathed in the eponymous black fog, a humanoid figure could barely be...