During a leisure stroll through unclaimed lands, you find a big, gray, polished rock. There are a few goodies on it, laid out for anyone to take.
However, as you near the rock to grab the one that piqued your interest, you feel the weight of an intense stare on you. It's coming from somewhere within the depths of the tundra that expands ahead. Strong and unrelenting.
Perhaps you should spare some beetles in exchange...