Sehnsucht

I had a few dreams today, but one was so awesome that I forgot the rest.

I am flying around in some city, it is nighttime. The buildings are pretty high. Someone is flying with me, it seems like we are angels. A demon appears, it looks like a gargoyle. We fight it, but we lose and die. Now I am a person inside a building. Monsters are coming from the lower floors, so everyone is heading for the roof.I see many people dying, as I run and climb to the upper floors. On one floor, it is very hard to get to the next one, and I fail hard at climbing at first. I waste much time, and can see the monsters already. Not only that, with the monsters, the is a dark slime coming too, swallowing all life on its way. I get to the roof, with a few other people. They are in fear, and an old man tells me to give his last message to his family if I survive. The monsters are coming, the others decide to fight. I run to the edge and climb down.it is surprisingly easy to climb down, there are many spots to grab, and a big pipe which goes to the ground, I can slide down. Gravity is not bothering me.I get lucid and look around me, the building is really huge, I can't see the ground. I wonder if I should just fly to the ground, but I decide to slide on the pipe, because I do not want to drop the plot of the dream, and soon I lose lucidity again.On the ground, the first thing I do is look for the family the old man was mentioning. I sneak into the house, and somehow get to the children room. I try to not get caught by the mother, and tell the message to one of the boys in the room. After this, I begin to warn people about the monsters and that the end of the world is coming. I am not lucid, but somehow I think that I have lucid powers and therefore have to save the world. My vision switches to third person view, I am now watching myself, and a narrator is telling what happens. A meteor is on its way to crash with the earth, but with technology and science, humanity manages to prevent the disaster. But the sun is getting bigger and bigger after a while, so the humans manage to evacuate to another planet named "Urs". 12 billion years pass while I am protecting the world, and finally, I can die. At the same time, the old earth crashes into the sun.

This dream feels really important, but I do not know what it means.