
Originally Posted by
spacelamp
I've always wondered about this, but could there be some kind of meaning behind the Servants chosen to be the disciples of the Foreign God? What really bothered me all this time was Shirou and Kotomine. Generally, we're led to believe that using Pseudo-Servants is sort of meant to be a workaround for summoning particularly difficult Servants, such as gods. The reason Ishtar was summoned in Rin's body was because the mages who did the deed in the Seventh Singularity weren't capable of summoning the full Ishtar, her being a god and all. Assuming that the Foreign God chose their Servants deliberately, why did it choose such a roundabout method like using two Pseudo-Servants? Was there a specific reason it had to specifically be Shirou and Kotomine? And both of them appear to be from the Fate/stay night timeline as well. Could Singularity F be a factor? Given the nature of Pseudo-Servants and the fact that it's Shirou and Kotomine specifically, I can't help but think that maybe there was a specific reason it had to be these two. I don't really think there's anything particularly important about Grigori Rasputin in particular that would make him particularly important to the Foreign God's plans, so this makes me believe that it wasn't really Rasputin that they wanted. I believe Rasputin's compatibility with Kotomine was where his true value lied; the Foreign God wanted Kotomine specifically, not Rasputin. But why though? Another possibility I'm considering is that the pool of Servants available to the Foreign God was actually pretty small, so they had no choice but to use Shirou and Kotomine.
I'm also sort of suspicious about Sitonai. An Alterego Stray Servant is weird enough, but a High Servant at that. Nearly all High Servants are artificial. The B.B.'s Alteregos are obvious, but the Disciples of the Foreign God were deliberately engineered to have these qualities as well. So the fact that a High Servant just happened to be summoned in the Nordic Lostbelt is really odd and casts suspicions on Sitonai's true purpose, or at least I think so. Also Xu Fu I guess, but I'm not sure what to make of her. She and Sitonai are the only two "naturally occurring" High Servants, but I wonder just how "naturally occurring" they actually are. Xu Fu's quality as a High Servant seems to be rather low though, so I'm guessing she used her Taoism arts to sort of channel her gods' powers (her profiles explicitly states that she's just "borrowing" their power, hence her lack of Divinity).
As far as I'm aware there are no real answers to my questions, but I was wondering if there were any popular theories concerning all this.