A world that has demons. You can fight demons using light energy. You can store light energy for a stronger impact later. Only five percent of people can weild light energy. Demonic objects can curse normal people, so light energy users have to destroy the demon through fighting. There are also human demons, they are extremely strong demons that are very intelligent. Human demons can possess multiple abilities and look like humans. Light users can choose their abilities when they know how to use light energy. There are hidden schools that are specifically meant for people who have light energy. The strongest demon is named Gheiska, they posses insane capabilities and can easily kill the world in a year and a half. The strongest light user is still to be found. Tournaments are held every month to see who is the strongest light user. Demonic objects can be absorbed, but here is a chance so small that you actually live when you absorb it.