You awaken on the cold, damp forest floor with a throbbing headache. You don't remember how you got here, but the fog around you is thick, and the towering pine trees block out all starlight.

Checking your belongings, you find a half-charged flashlight, a tarnished silver key, and a pocket compass whose needle is spinning frantically in circles.

A faint wail echoes in the distance, growing closer.

How do you react, and what is your first move?