Elves believe that they dreamt themselves into existence in this world. Their body is just an imprint of their true-selves from Salasandra — the world of light. Badoc is a scale of degrees which represents their connection with Salasandra. The more ”worldly” or ”badoc” the elf becomes, the more his connection to his source thins out. When he loses his connection with Salasandra, he cannot return to the world of light anymore.