The Grey Door

In this dream, I was in Group 1, and we were in a mall-like area collecting supplies. I was in a relationship with a girl. There was a lot of history between the groups, but I forgot all of it. The only thing I remember is that aunt. Fuck her. She always had some kind of issues. Also, there was the sister of my girl. Now I get teleported to the other group, which was totally fucked. I also had a history there, but I forgot it too. It was a pretty long dream. So that fucked up group attacks my group, and it was brutal. I can't tell everything, but both the aunt and the leader die in that. There was a guy from the other group who came in front of the girl after she opened that grey door, and that guy had red eyes. So she sprayed water from her gun, and nothing happened. Her gun was green, by the way. But then he shot a load of water on her, except it was acid, so it burned the right side of her body. She started running to the exit, crying and screaming, while he ran behind her. I saw…