The world has been abandoned by its gods, leaving humanity with a destructive gift known as Essence. By giving up a part of themselves, they can unlock powerful magic to fight against those that would oppose them.

In the kingdom of Sunder, a young boy named Rune Leto is training to be a dedicated soldier. But when tragedy strikes and a peace summit with an enemy nation breaks down, Rune runs away to dedicates his life to growing stronger to seek revenge for his father.