Exspheres are.....well. They are like lower level versions of my Cruxis Crystal. They have the ability to enhance our power. Our strength, our senses. They help us with fighting against the Desians. Only....they're made from human hosts. Cultivating humans and turning them into Exspheres. We didn't know that right away, not immediately, but...

[But they didn't have a choice. If they wanted a chance against the monsters they fought, against the Desians, to get through this with Colette's Journey, they had to rely on the Exspheres. Lloyd didn't throw his away like he had wanted to at one point because of that.]

The Desians are the half-elves in charge of the ranches to create Exspheres.