"Cockroach blood does not have red blood cells. It's mostly composed of water, plus various other odds and ends like amino acids, ions, lipids, carbohydrates, etc. I'm not sure that they would be enough to sustain a…"
"I think they would have a better chance of surviving BUT if the world ended in the way that it was shown in the movie "Knowing" wherein the sun shot huge solar flares that sent the earth on fire then bye-bye vampires too. :)"
"They would most likely be okay for a couple of years,depending on how many vampires are in the world.
I say this because, a) for there to be no living humans on earth, well they have to be dead. Just because they are dead it doesn't mean they…"
"If the world ended than SM's creatures would die since if the world is devoid of any actual life, such as people animals they would die from starvation, they can't force themselves to starve to death if there's a viable source of food…"