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You are nearly across the lake when catastrophe befalls you. Your right foot crashes through the ice and holds you fast at the knee. You fight to free your leg but it is no good; it is completely trapped. A few seconds later, there is a tremendous crack of splintering ice as the lake monster breaks through to the surface. In terror you see the razor-sharp teeth and black slimy head of the ancient horror bearing down on you. This is the last thing you see before it swallows you whole.
Your life and your mission end here.