The Island of Destiny

You're pretty sure east is the direction that will lead back to the beach. You always were pretty good with telling where you are. You start walking east and you continue walking for about half an hour. You then stop dead in your tracks.

In front of you is a large spear sticking up from the ground. And it is jutting right through the middle of a disgusting, messy corpse. The image freaks you out so bad you are frozen in shock for a moment. This confirms your idea that that girl you met earlier was probably going to hurt you. Now that things are getting serious, what should you do?