Dream About Friends Being Trapped And Killed

I had a dream that four or five of my friends ( not sure which ones) were in one room and they were in the wall, trapped by some type of entity or beast. They were being tortured and killed one by one right in front of me. It seemed like I had some control over the beast or entity . it was really weird . Their heads were being severed limbs were being pulled apart. It was lots of blood and gore. The creatures/entity had the biggest arms I’ve ever seen. It was transforming into different things. it was like I had mine control of it. For some reason there was a moment it felt like I was afraid or had some type of fear because I didn’t know that I had that kind of power, and in the dream when I realized I had that kind of power I got scared and tried to run out of the room after all of them were killed I tried to close the door. I was so strong that the door came off of the hinges and I just covered the opening with the broken door and ran and then I woke up. I was really scared when I woke up.