In this universe, humanity is technologically advanced and capable of traveling through space. Since the arrival on planet Thetys, humanity faced extreme problems to survive and to build a civilization on this new planet. Natural disasters seem to occur often, stopping any progress in building an infrastructure outside of the capital city. In the Serpentine Galaxy, other planets are known to be inhabited by alien species. Folklore about the life as a space traveler, the inhabitants of other planets and the secrets of this universe is popular on Thetys.
The protagonist discovers relicts that can give it’s owner specific powers. the greater the power of these relicts, the more free will and ability to act autonomously the relict spirit has, making the eight major arcana similar to deities who can take any shape or form and move with free will.