After about an hour's advance in the dark, a light suddenly appeared in front of your eyes, but the light was not natural light. You didn't find where the light source was. You could only feel that the light was even colder than the moonlight.

now what they are stepping on is no longer the land, but the endless ice field. There is no snow, but the cold wind blows on their face, but it hurts more than a knife.

the ice sheet is flat and has plenty of light. When you look at it all night, you can see a huge black dragon in the center of the ice...