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User:GiverOfThePeace/Touhou Vampire Speed Calculation
Introduction
Vampires are able to run through the human village within the blink of an eye[1]. Time to see what results this gets.
Caclulation
The human village is in reference to old school Japanese villages in Gensokyo, so we need to find what a typical size for this would be.
Judging from how it's shown in this art, it's a decently large village, thus I will be using this article talking about the growth of ancient Japanese cities. Heian-kyo is listed to be about 5,200 metres from north to south and 4,500 metres from east to west. While there's no feasible way to compare the sizes between these, I'll use this as a baseline assumption, if any updated information can be found for better results, please show.
Averaging the listed metres for Hiean-ko, I get 4,850 metres.
The human blink can last for about 100 milliseconds.
4,850 metres/0.1 seconds = 48,500 m/s or Mach 141.39942 Massively Hypersonic.
References
- ↑ Perfect Memento in Strict Sense Pages 75-76 Vampire "Characteristics
Of the newer youkai that have emerged only within the last few centuries, vampires are among the strongest of them, strong enough to take part in the power-balance of Gensokyo (*1) by now.
During the day they spend their time in their mansion, and once night comes they become active; they are the Lords of the Night.
Their main diet consists of the blood of humans. Those whose blood has been sucked by one will neither die nor become a ghost. They will turn into a zombie for a while before evaporating under the sunlight.
They went on a rampage when they first appeared in Gensokyo, lost against powerful youkai, and settled down after agreeing to a contract (*2).
The details of this contract are that the youkai will offer them humans from which to feed (*3); in return, the vampires will not attack humans living in Gensokyo.
Of course, the contract remains in effect to this day.
Vampires have tremendous physical abilities and magical power: they are able to uproot a thousand-year-old tree single-handedly, to run through the human village within the blink of an eye, to summon many devils with a single word, to turn into bats or even mist to intrude anywhere they please, and they can recover within a single night even when their body is blown away, so long as their head is intact.
Some youkai have abilities to this level of power, but only vampires are known to possess all of them.
Because of this, they have charisma of the highest class.
However, perhaps due to their extraordinary abilities, they have many weaknesses.
First, they are weak against sunlight, so they are docile during the day.
Neither can they move through flowing water, so they are docile on rainy days. They also cannot cross rivers.
They can't approach a sardine head or a broken holly branch.
Their skin will be burnt if someone throws roasted soybeans at them (*4)."
