I’ve been doing light research on the realistic limits of blood drinking and this is what I found: you can only drain about 20% (1 liter) of the body’s blood before the vascular system starts physically collapsing and blood flow slows significantly, like after about 45 seconds it would feel like the person is mostly drained even though there’s like 80% of their blood left and they could still completely survive if you dropped them off at a hospital, they might even still be conscious.
Basically it’s not possible to drain a person to the point of death due to blood loss with just a bite and within such a short period of time, and if you left them there to die after (which they likely would because losing blood so quickly can cause organ failure if left untreated) it would be a complete waste because if you put in a little time and effort there’s like 4x the blood there that you walked away from.
1 liter of blood comfortably fits inside a human stomach so you don’t need to ignore stomach size in your vampire lore, 1 person = 1 serving even though the person could totally live.
Now half a liter (half of a serving, enough to make you not feel hungry anymore) can be safely taken from a person with no risk of organ failure and no need for a hospital as long as you go just a bit slower. When you donate blood, it’s usually about .5 liter taken over about 10 minutes, so as long as your vampire is chill and gentle about it, their victim can walk away just a little lightheaded and that’s all.
snowghoul
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