If you take time, to study the profile links I provide…you will find the answers you seek. Especially under the Inclusivism (1, 2, 3, 4) and Hope (1, 2, 3 4) links.
So while I might say, that EO / EC - is the “best” way…And one that can take us to Theosis…which is radical in the western church…but fully in accordance, with Holy Scripture and Sacred Tradition…And is called deification in RC theology…and one can find the counterpart, in any Light ( 1, 2, 3, 4) modality. Like this one:
Does anything in Unitarianism, even come close to this teaching?
But it’s not the ONLY way. And the fact I join other groups, for contemplation practices…and spending time with folks, who are considered saintly (i.e. Amma and Karunamayi)…shows that I am “open minded”, to other paths.
Perhaps this talk, by a conservative Calvinist theologian and clergy member…at the Theosophical Society (of which I am a member, chiefly for their extensive library)…might shed some light.
And you might find, that five minute YouTube story interesting