At the moment of Enlightenment the individual "you" (ego/mind) dissapears completely and literally dies. The me, myself, and I ceases to be. At that final moment there is a feeling of "I'm going to die", and this doesn't mean bodily death, it means the very essence of what you individually think you are (thoughts and thinking). The ego/mind fears it's own death, but all fear is an illusion because fear is an emotion, and all emotions (physical chemical reactions) are the result of being identified with the ego/mind and body (physicality). When the mind goes silent it's replaced by void, by nothingness, but that "nothingness" is only "nothing" because it's formless, non-physical, and unmanifested. In actuality, that "nothingness" is an all-encompassing Infinitely Everything, which is a profound ineffable Peace/Love/Wholeness/Completion way beyond description, which just simply IS. It's No-Thing, yet Infinitely Everything, yet beyond both because both are mere concepts. All words and concepts are meaningless because they are born from the ego/mind.
"The ultimate Truth is beyond words. Doctrines are words. They're not the Way. The Way is wordless. Words are Illusions." - Bodhidharma, founder of Zen.............from thetruthoflife.com