Complex sentence: Subsequent to enacting a Performance Artwork in which she drew upon relevant content from Jung's book-she experienced a profound Mystical experience which included a flight through a tunnel of light that opened into a luminous group of beings waiting to welcome her.
Split into simpler sentences: Subsequent to enacting a Performance Artwork in which she drew upon relevant content from Jung's book-she experienced a profound Mystical experience. A flight through a tunnel of light that opened into a luminous group of beings waiting to welcome her.