Terrapin, and the whistle is screaming

I am walking down miles of sand where I reach the tallest dunes in view.  I climb them and it gives me a view of a vast beach where there are giant sea turtles, six feet tall and ten long, their craggy shells covered with 6 to a dozen children who are hollering with joy at the ride.  But as I near I see the fear in the kids faces and realize they are screaming.  Somehow being held captive on the backs of these turtles and being hauled into the ocean.

But one of the turtles shells has suddenly been wiped clean of children and I see my uncle [an avid sportsman who makes his own arrows for bowhunting] leaping on the back of a turtle halfway into the surf.  He then takes a hand-carved arrow-head, larger than his head, and twice stabs it into the back of the turtle's neck.   The children are safe. 

Shocked

I was in a room that was underlit enough so I couldn't see the walls.  The guy across from me was a hard blonde with eastern european or russian sharp looks.  Without warning he launched himself at me and I was startled.  He knocked me to the floor and flipped me over on my face.  I couldn't see what he used to puncture my spine through the back of my neck.  It opened a hole out of which I slipped and, with this removed perspective, watched a milky smoke swirl follow me out.  From outside my prone body I felt panicked that the smoky substance would drift away.  This fear shocked me into that suspended state where I was only half dreaming so I quickly thought the smoke into a diamond-shaped glowing lightness that shimmered and disappeared.  The fear was neutalized and I woke with a feeling of peace.