whether the individual is able to preserve his ego-consciousness intact, or whether he succumbs to the immense emotional power with which all archetypes are laden, in which case his consciousness disintegrates partially or completely
Von Franz articulates archetypal possession as the failure of ego-consciousness to withstand the affective charge of constellated archetypes, producing outcomes ranging from cultural destruction to collective mania.
, C.G. Jung: His Myth in Our Time, 1975thesis