Quote:
Originally Posted by Kesendeja
One of the reasons for the blood drinking, I'm thinking, is mitochondrial dependency, on their own their cell's just can't generate enough power to fuel their enhancements.
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That isn't going to help. Everything has mitochondria, and the modifications you'd need to make to digestion to get the *out* of the tissues and use them yourself are pretty ridiculous.
Also, they don't create energy from nothing, mitochondria are just the way terrestrial life burns sugar, and blood is frankly not a great source of food energy. Things that drink blood do so for much the same reason as things that drink tree sap - it allows them to exploit something that is vastly larger than they are a food resource. Something that they could never manage to kill and eat.
From an energy perspective I think vampires might well be better off drinking tree sap. If they are using as much (or more) energy than humans they certainly are going to need to consume something in addition to blood. Which isn't necessarily bad - predators that eat only one thing, particularly something both as dangerous and (in evolutionary history) scarce as humans won't last very long.