Aware of its power, he fled the Darksmiths, taking the crystal and Gisella (the "daughter" he had created) with him. He hid Gisella on Flydon Maxima for her own safety and buried the crystal on the Moon until he could find a way to destroy it. (PROSE: The Depths of Despair, The Dust of Ages)
He settled in Paris in 1895, around the same time as a time-vampire stalked the streets. At first he feared he had been found. When it turned out the vampire had followed him through the Vortex, he sought to keep it hushed up to not to draw the Darksmiths' attention.