Underwater worm

The  is an indestructible enemy that only appeared in Thin Ice. It is a furry worm that moved underneath the ice. It is the only enemy in the Frost Bite Series hat cannot be killed. The worm moves slowly underneath the ice, following the Eskimo. When the Eskimo moves over its head, its head will stay where it is, and when all the segments are come to it, its head will spring out of the water.

It can be very easy to avoid, an is not a potential threat to the Eskimo. Because it is already in the water, it cannot be killed, and does not need to be killed.