The primary function of the very intense, very short third-density experience is the making of the Choice: to choose and dedicate the self to the positive path of service to others or the negative path of service to self. If the catalyst of third density is successfully used to make the Choice, that is, to polarize and bias the consciousness (measured in vibratory rate of 51% for service to others and 95% for service to self), then, at the time of harvest, the entity will graduate from third to fourth density.