In this dream

In this dream I was a soldier trapped in with a bunch of my brothers in arms at my school. These creatures were chasing them, ripping them apart, and eating them alive. All I could do was shot from out of the box; I couldnt pick them up or drag them to safety. Then the same creatures started entering my box and my allies fired at them but they just kept coming . Within a few minutes I was being eaten alive ; seeing my guts being shreded apart and eaten. And then finally I woke up.