Chase Dream, what does it mean?

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I had a dream where I was being chased for two consecutive nights. The first one is, I was being chased by men. I think they wore dark tuxedos with white polo underneath. They seem to be vampires, good looking men but their hands are sharp at the end (i mean pointed fingernails, which can cut through anything). In my dream, I ran and ran. I dont feel fear or anything but I just ran away from them. (I'm not sure about the place, but i think it was underground, coz i climbed up later to human world later on). Those men who were able to catch me, I knocked them all off. This continued until I arrived on a long windy stairs, it goes all the way up to the human world (i just knew its the human world, dont know why..maybe because everyhting was bright). I ran up the stairs, and the men continued to chase me, and just the same, I beat them all up! I cut through their bodies (no blood at all, they just disappeared), and then I woke up. I wonder what does it mean? The second night, it was a chase dream too but i cant remember what happened. All I know is it's different from the previous night.