Huh. Sorcery, as a key component of the SMS? Interesting. What role might Cants of Compulsion play in achieving the SMS? This is interesting to ponder on, thank you.
I don't think that is quite on the right track. Keep in mind Koringhus is wrong on at
least one thing, that The Judging Eye is the work of sorcery. It isn't. It's just like Bakker told us about Wracu's fire breathing. It is
neither mundane
nor sorcerous.
As such, no, sorcery isn't
needed to become self-moving. However, denying or simply being ignorant of it's existence is a real detriment to understanding The Absolute. This is because being unaware of the Outside means you cannot be fully aware of the effect it would have on you, via (or perhaps as) The Darkness. The Dunyain were wrong in thinking that the Logos encompasses all. It doesn't, the Outside leaks in both through souls and through topoi and who knows where else.