You have taken less than fifty paces before it feels as if the forest has engulfed you - in every direction all you can see are trees, vines and foliage. There is no path or trail to follow so you rely on your innate sense of direction to keep you heading north. As you force your way through the trees the moonlight struggles to penetrate the tree-tops and even your keen eyes begin to struggle in the growing gloom. You realise that the usual cacophony of shrieks and barks that usually pierce the night have faded away, even the insects have fallen silent. Your instincts flare - something is about to happen.