Add "Warm Blood" item in the market, so Vampires can buy it and drink it. It's dangerious to look for villagers, since you cant tell what time is it in the Farmworld, and overworld villages are mostly empty/Griefed.
Unless you fail at Tech mods, A noob or emergency[DOUBLEPOST=1473800671][/DOUBLEPOST]You can also use it while starving/dying