Originally designed to be a proxy for marriage couples based on Monster/human pairings; the original tulpavatar prototype was small, only 1 foot in height. Life was simple, and the married couples (usually small monsters themselves: dwarves,imps, and trolls that lived a few miles beneath Planet Nu's crust) were . . . content, not happy just content. The robot didn't carry that special spark that organic beings did; it felt more like they had created a toy than a daughter/son to shower love upon. Everything changed though when the angles of the Seraphian isles invaded their underground homes, killing as many monsters and humans as possible for their DNA.
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The few survivors were outraged at this, their peace and isolation taken for weakness; however the truth was they weren't so much weak, rather than they had forgotten how to be strong.
So they went deeper towards the mantle of the planet, where hell hounds, ogres/oni, and succubi lived; monsters that were more than willing to teach them. There was one condition though: that they got robots too, and after teaching the humans a few tricks and rituals, these robots fueled by revenge rivaled and at times even surpassed the nanosapiens.
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Creating a company called "Yami Industries", the monsters and humans are currently in the middle of an industrial revolution, becoming obsessed with ways to murder people (primarily the angels) on the surface world; combining monster magic and human engineering, they've coined a term for their two fields of research: Magineering technology, and Binary DNA.
A: Magineering technology falls under two schools
1. The study of enchanting machines with magical properties, specifically giving them the ability to project this magic outward in the form of spells.
2. The study of transforming/transmuting pure elemental energy into ore which is then used to build machines or weapons.
B: Binary DNA is the product of breaking down organic and spiritual mass, and converting it into data. Because of this, vore has become an important part of Umbradellian culture, specifically soul vore.
1. The process of making a Tulpavatar is so reliant of Binary DNA that Yami industries has started hiring people to collect the souls of other humans, pure "angelic/holy" souls paid for triple the amount.
2. Tulpavatars are unique in that they are basically robots with a soul, given autonomy and sentience beyond even the most advanced robot technology.
3. Some people have taken advantage of the Tulpavatar project, volunteering to become tulpavatars to gain immortality while others seek the ever expanding database of knowledge that comes from a hive mind filled from literally millions of souls;
however the vocal minority are using this to get REVENGE on the surface dwellers and the angels above even them.
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Compared to nanosapiens, their needs are very similar; however they actually need more than their nanobot rivals.
1. ELECTRICITY
A foldable two prong in place of a belly button, and a usb plug hidden beneath their hair, a Tulpavatar actually needs up 4 times as much electricity as a nanosapien does to stay at maximum efficiency. To do so they can plug into wall outlets in your home, or drain the power cell of other robots like a vampire.
If a tulpavatar wants to host a sleepover with her other robot friends SAY NO! Two or more tulpavatars plugging into your home to recharge WILL cause a black out, and if they wanted to stuff you inside them you'd be defenseless.
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2. FUEL
Unlike nanosapiens who are really a million tiny robots working together to create a single body, tulpavatars are one massive robot with a metal endoskeleton and oil for blood. Depending on the model, the fuel they intake makes them more like a car, for they can take leaded, unleaded, or diesel fuel.
However because of this they can become a hazard, tulpavatars that drink diesel belching out black exhaust making the air around them hazardous to breath.
With the advent of Cloning technology, the monsters have come up with they idea of "BIO-FUEL". Prisoners are taken to a device where they are ground up into slush and then either drank like any other liquid.
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3. MAINTENANCE
This one is often glanced over due to what will be listed below. If a tulpavatar's injuries aren't so bad the body is destroyed, you'll be expected to repair them yourself or take them to a mechanic and have them do it for you.
The best way to get around this is to teach your robot self maintenance, be careful though, because self maintenance gives them more independant thought; in short giving them more time to wonder if they REALLY need you bossing them around.
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4. CONNECTION TO THE CLOUD/SUBCON NETWORK
This is one of the reasons why some people are very lax when it come to Tulpavatar maintenance; their soul, their memories, their existence is all backed up data in the collective database.
This can lead to a jarring experience when fighting against a tulpavatar, they are relentless in their pursuit, ignoring injures to their body and will readily sacrifice their teammates/themselves to the point of initiating a self-destruct.
After the battle is over, Yami Industries will build a new body, and download all the back up files into it. Tulpavatars are borderline immortal, one step closer to being the ultimate weapon.
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In the end, just how useful a tulpavatar is depends on the soul; snatch the soul of a maid, that's what their mental capacities will focus on and strive to improve in, becoming the perfect maid.
As a resultWhile nanosapiens are ultimately pets or toys, tulpavatars are seen solely as
weapons. An ideal tulpavatar grows stronger by fighting other warriors and consuming/fusing the fallen soul with their own, taking in all the knowledge and memories of their prey.
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Tulpavatars have their own society, ruled by the top of the line models: Deus ex Machina/God born from a Machine. An owner of a tulpavatar's ultimate goal should be increasing their robot's power so it is acknowledged by a Deus ex machina as a worthy weapon.
They are then given essentially the "ULTIMATE REWARD": A synthetic skin overlay of their choosing. Able to masquerade about as a human alongside their master, they go from the profile pic, to something more like this:
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In the end though this can be compared to pokemon ethics: Nanosapiens are treated with love and care to make their true power blossom.
Tulpavatars are treated with cold hard truths, throwing away hollow pleasantries to focus only on getting stronger fast as possible, no matter the consequences.
So come ye dominatrices and slave traders, and enter all assassins and necromancers; there are no judges on ethics and morals,
only the results matter in the end.