He Ao folded his home-made "coffin board" to make it into an improvised ski board.
The main structural elements of the nutrient pod were made of lightweight alloy which actually wasn't heavy. The heavy parts were the life support equipment inside, so using the nutrient pod lid as a ski board wouldn't crush the snow underneath.
It was much more comfortable to have a ski board to move forward in the snow than to walk.
The clothes that had been soaked with seawater were starting to freeze in the cold of the snowy field. He Ao shook off the ice chips from his clothes and, using the harpoon as a pole, managed to slide across the forest's snowy surface.
Soon, he had covered one or two kilometers, and at that moment, the howling from the sky finally reached an area not far from him.
A giant mecha with a snow-white paint job appeared on the snowfield not far from him.