The Great Valhim started due to the First Generation demon lords disputing over power and territory ,fighting for the position as Demon King , their arrogance caused a great dispute to take place and begin the first year of the War ,it's taken its toll on Valhim's geography and people , as well as making its influence on the outlands and reaching the Angelic kingdom , eventually dragging the angels into the war and also spreading to other nations throughout the world . Now the 3 current demon lords Ten'Vhlier , Hades and current Demon King ' Kuraku are still en aged in war , all each offspring from the older generation Demon Lords , each Demon aggressive towards the other as they reside in different locations throughout the Demon Kingdom known as the "Darkened Land" , The Queen Of The Angels has also declared war on the demon lords and resided in her advanced kingdom of Mentvoria. Now as time passes the battle for supremacy continues .