The "Spiritus Mercurialis" guides us. Represented as a provocative butterfly, able to bring fortune or misery. She is the one "whom no one thought of yet". A powerful source of water dissolves everything that has come to be, and, by virtue of that, generates the "prima materia". There is a conditioned and unclear quaternity. Three of them, lost in chaos, result in a forth which assumes a special figure, bearer of the "Fons Mercurialis".