Chilblains are, thankfully, rare. They arise when numerous creatures are killed by surprise in cold environments - avalanches are the most common cause. A mass of roiling flesh and tortured faces towering over the treetops, slithering across the ground and seeking to regain the warmth it once knew. Unfortunately, in doing so, it generally wipes out living creatures it comes into contact with, and the aura of cold it exudes prevents it from ever knowing heat again. Instinct: To seek out warmth

• Inadvertently snuff out sources of heat
• Crush living creatures