>>713434562
Raven acts alone for a lot of plot points including Tachy and attacking Xion. Adam states she acted alone. In the Nikke story Raven states Adam granted her free will when she had non before.

For the last point, it's implied Adam and Mother Sphere are working together to create the perfect being. Mother Sphere believes this is just an Andro-Aidos while Adam believes this has to be a fusion with human. Your choice at the end was orchestrated, but the decision is Eves at the end.