Every 1000 years, the Gods' Council assemble to decide the fate of humanity. After 7 million years of human history, the gods decided that humans must become extinct.
Valkyrie Bronhild suggests humanity should have one last chance to prove their worth, so the gods agree to hold the Battle of Ragnarok, with 13 prominent people throughout history against 13 of the most powerful gods who participate in duels to the death while saving humanity if their team achieves 7 victories. In competition.Ragnarok is mankind's final struggle against the gods. The event explained in paragraph 15 of article No. 62 in the Super Special Clause of the Valhalla Constitution. It is a one-on-one showdown between the gods and mankind. thirteen fighters must fight against each other in one-on-one battles to death. The first side to achieve seven victories wins. If the human race loses, their fate is doomed, but if they win, they will have chance to live for another 1,000 years. Those defeated at Ragnarok, their souls turned to dust and sent to Nevelhil, the Norse kingdom of fog.. This halts the reincarnation cycle, consequently leading to permanent death.