On the first response:
I'm obviously interested in converting the heathen periphery of the cradle, although Im not likely to push for schism, namely because I'm running the Church here as compared to simply a host state. That and the experience of schism is amply demonstrated by Aitahism at present. I'll probably as such be dealing more with Church-state relations as a consequence, with all the unique peculiarities involved in each state.
At any rate, I'm glad the systematic trawling of updates, the consultation with das, and the reading of the wiki resulted in something close to the original essence of Iralliam. Hopefully Im not too jarring to the non-helsians of the thread in terms of my terminology and trajectory even when they coincide with the Christian experience (you can expect deputies to the patriarchs, ergo bishop analogues, to appear as a natural consequence of the need for reform catalysed by the inability of the patriarchs to individually manage vast territories and the Sokar episode. They shall be termed Exarchs due to its real world meaning of deputy to a patriarch, and because the term conveniently fits in with the old Thearakian word Exarcos which Kal'thzar used to refer to the old Liealb dukes of Thearak back in the day [post 674 of this same thread for those who doubt my words]) Oh and efforts to consolidate of the Order of Faith into a universal institution under the Church rather than the Moti Empire will occur), although I can assure Iggy that for the most part what I intend with regards to Iralliam will have nothing to do with Christianity and indeed is likely to be quite different from it.
On the rest
With regards to Church reforms and the missionary activity. I suppose you could say that the sense of humiliation brought about by the Imperial intrusion into the Church, and the confronting experience of institutional weakness to the point of being shamed by the Sokar episode before the entire Church, in a reactionary sense, spurred a movement towards internal reform and assertive evangelical zeal. A political example of this would be the Chinese experience in light of the "century of shame". You could also refer to alleged Aitahist influence in the Imperial Hierarchy of the Moti Empire (in light of the tension between it and the Church_ and the historical threat of Satarai Ardavanists as a presence that has pushed a paradigm shift in the institutional Church's attitudes towards other religions and encouraged a renewal of its fundamentally dualistic view of the world.
As Spryllino said though, its something I could, and probably will elaborate on later.