Absent GM is concerning. Nevertheless, the grail!

[b]Name:[/b] Ivetasviel von Einzbern
 
[b]Age:[/b] ???
 
[b]Gender:[/b] Female
 
[b]Appearance:[/b] [url=http://safebooru.org//images/1018/e90385a4dac77c58129a6d2e6666caeb2b7c5c0b.jpg?1052317]Holy Grail Mk 6.[/url]
 
[b]Personality:[/b] Naive. Lacking almost any knowledge of the outside world, Ivetasviel knows only that she has to win the war and attain the Third Magic--and is easily manipulated as a result. Rather than a Master controlling a Servant, an intelligent enough summon could direct her to their own ends with ease... though so could basically anyone else in the war.
Extremely excitable.
 
[b]History:[/b] Created by the Einzbern because... honestly, they are thoroughly sick of losing. And, of course, somebody needed to proved the Holy Grail itself to make the completion of the war possible. Given the comparative success of the Grails of the Fourth and Fifth Fuyuki wars, they once again opted to make a Homunculus for the task. Since they were starting again, they had plenty of time for Ivetasviel--starting with Justeaze's line as a base again, and going from there, they have created a Holy Grail that could contain an absurd amount of Servants before she herself is affected.
Then, because they are naturally obsessed with victory, they made certain that this Grail is able to fight and defend itself. No sense risking the entire war's end... and it gives an advantage against other Masters, as elimination of their contribution risks the entire war.
 
[b]Abilities/Magic:[/b] Has Water as an Elemental Affinity, but that more or less becomes irrelevant when considering her full capabilities. As a Homunculus, she is composed almost entirely out of magic circuits; as an Einzbern, she has Wish-Granting* as a sorcery trait; and as her entire purpose is to win the Holy Grail War, she can shoulder the burden of even the strongest Servants. Once again, they engineered a Master with Command Seals far in excess of what is [i]needed[/i].
Because it finally came to their attention that a Master that cannot actually survive to the end of the war, and cannot win, will never actually get them what they desire, Ivetasviel is far hardier than her predecessors. This extends even to the war's completion--though in the long run it would kill her, she can survive the manifestation of the Grail long enough to [i]actually grant the Einzbern's wish.[/i]
Her abilities are best summed up as a combination of Ilya's raw magical power, and Leysritt's physical ability. It came at a cost mentally, but she can be described as an Einzbern masterpiece.
 
[b]Assets:[/b] Not wanting it to go to waste, the Einzbern retrieved Leysritt's halberd, which is now in Ivetasviel's possession. She also has a house, though they were unable to obtain the sort of land they would normally build on in time for the war.
 
*The ability to cast a spell through prana alone, without requiring knowledge of the actual process.