Rivalry And Vengeance

In a country which is tearing itself apart, a single man gave up his pride and saved Deityera. Due to his actions, a mysterious being came down from the skies and gave the humans a crystallized tear ( The Tear of Heaven ), which was being protected by a Lightingale. After a few years of its existence, it finally revealed its true purpose and identity. The sons of the hero who stopped the country's destruction competed for the crystal, but after the results have finally been shown many lives will be lost and many friends and foes will be hurt in the process. They will decide the fate of the world and they will be the ones controlling the lives of many-a-person. Rivalry and vengeance have filled their hearts and minds! Will they tear their own family apart or stop the inevitable danger and fight to the death?