This dialogue between the wakingego and the dream, mediated by the dreamego, is part of the larger dialogue between the ego and the Self. The Self is not often imaged in a dream, at least not recognizably. It is more often evident as the unseen constructor of the dream, that force in the psyche which not only arranges the scenes and the action but also assigns the dreamego to a particular role.
— James A. Hall
Hall is pointing at something the dreamer almost always misses: the dream-ego is not you surveying a landscape — it is a role assigned by something else. You are placed in the scene. You arrive with particular capacities and blind spots, particular relationships to the other figures. The director is never on camera.
This is where the grammar gets strange. Consciousness organizes experience around the ego's perspective — this is not a flaw, it is how waking life works — but the dream refuses that centering. What arranges the dream does not consult the ego's preferences. It casts you as the coward when you would have cast yourself as the hero; it puts the threatening figure just past the door you most want to open. The Self in this register is not the luminous higher unity of popular spiritual usage. It is closer to a necessity — what the psyche requires, not what the ego would choose. The friction between those two — between what you would have written and what you were given — is the actual diagnostic material. Not the symbols, not the plot. The gap between who you thought you were and what role you were assigned to play.
James A. Hall·Jungian Dream Interpretation: A Handbook of Theory and Practice·1983