They were an essence within the wellspring of Life. Iliana felt that their essence needed a Broader Spectrum of Light.
Noadiah wanted to research, to see if the "Light" would affect their essence. She reassured him they were in love and she'd return. Alone and lost he sought help from a monk. Then he met Joshua, who suggested a different path. This is the story of his Journeys to find his Iliana. More