You are plagued by incredibly detailed dreams, so detailed that you actually glean the future from the visions, either by interaction or observation. You begin to suspect, however, that the dreams are REAL, and that his two worlds will one day collide.
While foraging or hunting for food, you have an encounter with a trapped predatory beast. Instead of slaying it, you free it. The freed beast disappears. Later, you are trapped by a falling log. The same beast reappears, aiding and freeing you.