Valley of the yetis

First encounter part 1

I go back inside, still watching the sunrise. As I enter another transmission comes through. "Come to me ajay, we have your pilot. you are the offering so you must come." "what if I don't come." I reply "The pilot dies."
I quickly run to the closet get a bow and a gun I call the sandman. It is a silenced pistol with red dot sight.
I need to save the pilot.
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My snow mobile takes me to their cave and I climb off it. I see two enterances
I take the higher one and grapple up.
When I get up I sneak around a corner to see one guard. I stab him and move him back so nobody will see him.
I scan the area two lone guards, I pick them off first. Now I zipline down to the floor and pick off. Two more guards, one more and he is at the pilot,
If he sees me then he will kill the pilot.
I get out a throwing knife and hit him right in the neck. I go to the pilot and untie him. "Thank goodness you sa-"
I feel a blow to the side of the head and fall to the floor.
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I wake with a start. I look at where my pounding head was laying. The floor was covered in blood. I look around and see the pilot is gone and so are my weapons. I hear a scream like the pilots when we were going down and look up.
I see a shadow of a giant beast holding something. It leans forward and I hear a crunch as the scream is taken over by a roar...