With increasing approximation to the centre there is a corresponding depotentiation of the ego in favour of the influence of the ‘empty’ centre, which is certainly not identical with the archetype but is the thing the archetype points to.
Jung’s letter, as read by Edinger, frames depotentiation of the ego as the teleological outcome of individuation’s circumambulation of the Self’s unknowable centre.
, The New God-Image: A Study of Jung’s Key Letters Concerning the Evolution of the Western God-Image, 1996thesis