In the remote past, the legendary lost continent of Atlantis existed as a temporary laboratory for the intervention by sentient visitors into the evolution of Terra. The invading Atlanteans brought with them the alchemical panacea which they modulated magically in their magnificent diamond Temple, then introduced medically to the indigenous creatures of the planet, the intent being to improve their DNA, particularly that of the natural hominids.
The esoteric plan, revealed through the musings and memories of Lynci, an Atlantean Princess, was to produce of Terra the Philosophers' Stone...