Yeah, I think that is true. The rest is discovered based on the landscape (physical landscape, emotional, moral, etc)That kind of situation is partly what lead the author of "Mrs. Frisby and the Rats of Nimh" to publish the book (and likely triggered a lot of rewrites when it was filmed and the studio realized the similarity between "Nimh" and "The National Institute of Mental Health" was not a coincidence...)
Sounds like you made the discovery that SOME elements MUST be planned, some simply cannot, and the rest should be plotted more than planned?
Absolutely.When i make my story's outline, it is completely different from it's initial draft.
Ex, arc 1 is supposed to be shorter but the written version is longer.
And for my story i had planned many arcs to come as the outline.
Even i have plans for it's ending already.