Spirit Essence Cells

Spirit Essence Cells are the source of life and the cause of humans using mysterious power that allows the user to utilize their spiritual energy known as Reiku for various purposes. Cells are color-coded to identify it right away and is also the reason the aura of Reiku users can change and differ between users. The cells can be improved through the evolution of its host but these cells can also skip a species if the body of the host is not used to or born in certain environments, these cells can be activated within any species at any time but the process for doing so is always dangerous in any case. One can grow their Spirit Essence Cells by mastering their life energy which multiplies the cells, the more cells the more potential the host has to become a strong Reiku user. Cells can also come from an outside source as certain species known to the Void World are born with these cells and these cells can be injected into a new host or transmitted through different means like sealing the Spirit Essence Cells into a new host combining the two species or some species can seemingly choose to possess beings that already have Spirit Essence Cells.

When this method is used to add Spirit Essence Cells into the human body, they gain overwhelming life force and power which originally belonged to the former species. The cells also grant incredible regenerative powers allowing a host with a lot of Spirit Essence Cells to recover from fatal wounds in mere days. The Cells of a Void World species also have extremely high energy demands, so users must frequently find a way to increase the Cells or risk becoming weaker due to loss of cells or they could have a case of the other species cells uncontrollably devouring their body turning them into the creature rather than harvesting its cells.

A spirit Essence Cell begins evolution when its host does several things, One way to evolve the spirit cells is to adapt to a dangerous environment or exposed to a dangerous element in which the cells will multiply and evolve into stronger cells thus boosting one's spirit and making them stronger. Certain individuals can also develop new abilities or resistances as a response to these new spirit cells. Spirit Cells are also said to become more active and boost one's overall power on the brink of death.