OK, here I have a Master sheet:

[hider=Atlassian White Cat]
[color=steelblue][b]• Name:[/b][/color] Othianne "Othis" Phorensia Obberhausen
[color=steelblue][b]• Gender:[/b][/color] Female
[color=steelblue][b]• Age:[/b][/color] 19 years
[hider=• Appearance:][center][img]https://i.imgur.com/WonH0VA.jpg[/img]
[color=steelblue][b]Height:[/b][/color] 156 cm | [color=steelblue][b]Weight:[/b][/color] 48kg[/center][/hider]
[color=steelblue][b]• Personality:[/b][/color] If you could sum someone’s being in a single phrase, Othis could be described as: “A true genius with an aloof, almost robotic, behavior”. While these traits aren’t uncommon among those who attend the Atlas Temple, Othis is one of the few who pushes them even further beyond. For those who don’t know her, it may be even plausible to think that Othis isn’t a natural-born human but rather a homunculus engineered to be a living spiritron calculation device.

As expected, Othis has no hard feelings one way or another regarding those who look down on her. As long as her job is completed in the most efficient way possible, that is.

Her few non-magecraft related interests revolve around the only activities she allowed herself to enjoy as a pastime, reading and problem-solving, especially those of the geometric nature. Being able to derive any form of enjoyment out of these activities shows that perhaps there maybe be a more humane version of Othis at the core of her being… maybe?

[color=steelblue][b]• Skills:[/b][/color] Othis is an adept practitioner of  Memory Partition and Thought Acceleration, allowing her to absorb and process information at an inhumanly fast pace. Currently, Othis can manage six partitions, putting her just a step below the level of those worthy of bearing the name Atlasia when it comes to mental prowess.

In addition to that—being the avid reader that she's—Othis is also quite knowledgeable at a number of subjects both mundane and esoteric in nature. When it comes to literature preferences, she's quite a big fan of crime and detective stories with her favorites being the adventures of Sherlock Holmes. 

She's also, pretty good at coffee brewing. After all, there’s nothing better than caffeine to carry someone, whether they are a Magus or not, through long hours of study.

[color=steelblue][b]• Abilities:[/b][/color] As far as magic circuits go, Othis is a pretty good example of what happens when one neglects the kind of eugenics that the Clock Tower is so proud of for long enough. However, having atrociously bad magic circuits is no problem for an Atlassian Alchemist, given that their greatest forte is Mystic Code operation.

Othis is capable of analyzing the base nature(composition and structure) of almost anything with a mere sight, a talent that can pretty much be called "Mystic Eyes of Scanning". Even though, in truth, it's more like the masterful eyes of an ancient mathematician an engineer. This talent is very useful for comprehending abstract concepts such as mathematical formulae and functions, and even others’ magecraft, though Othis still has to process the information on her own.

Furthermore, she was granted the right to bring a few Mystic Codes with her outside of Atlas:

— A small cube (roughly the size of her fist) made of a refined spiritron crystal compound. It can change shape and even divide itself be molded in many different shapes according to the her will. It's main use however is to be the catalyst for manipulation of loose spiritron particles. With it, Othis is capable of projecting spiritron beams and even "hard light" constructs through manipulation of the magical energy naturally present in the atmosphere. The biggest one she can create at once is about the size and volume of a common Golem.

— A skintight suit of armor, more like a lightweight exoskeleton, she wears under her clothes at all times (usually in a standby state as a choker). It enhances her physical abilities and reaction time in a manner similar to reinforcement magecraft, while also providing protection against a number of hostile environmental factors even in its standby form. However, she cannot use the full-range of its abilities while wearing her uniform, since they are incompatible items. If Othis ditches her uniform and activates the armor, she can display physical feats at a level close to that of a Church Executioner as long as she's able to draw magical energy from the environment.

— Last, but not least, her own uniform is a mystic code that allows the usage of some basic support-type mage craft (like healing and cleansing) that should come in handy when Othis is working with a Servant.

[color=steelblue][b]• Backstory:[/b][/color] As a child born and raised to a family that spent perhaps too many generations in the bowels of the Titan's Pit, Othis doesn't have much in the way of exciting events on her backstory.

While it may sound strange for someone to say that being raised in the place where the most wondrous, and terrific, artifacts of the world of Magecraft are created is a boring backstory; but when you get used to seeing fantastical things on a daily basis, it's easy to take them for granted. After all, when you lived your whole life surrounded by weapons capable of destroying the world in a very literal way, one or two more spiritron-converter bombs aren’t that impressive anymore.

In fact, the most uncommon thing to ever happen to Othis' life is being one of the few attendees to ever be allowed to leave the premises of the Academy. All because some Lords of the Association flexed their political muscles after getting a hold of one of the remaining Contracts created back then during Atlas' foundation.

With the power of the contract on their side, Atlas was obliged to send a representative to help with the Association's investigation of this unusual Holy Grail War-related phenomena happening in Tokyo. Good thing that Othis was capable of securing a set of command seals through luck, otherwise this whole debacle could become a hard nut to crack.
[/hider]
I hope this is fine. I tried to give her a good coating of Atlas tech (TM) without going too far.

Just for clarification, her maximum output is similar to Kirei and Kiritsugu at the end of Zero, but that would be equally hard to sustain for a long time since it would burn through the mana/spiritrons in the atmosphere pretty quickly.