Shikkoku no Einherjar

Summary

One upon a time, Norse Gods starting from Odin perished in a great war known as "Ragnarok (Twilight of Gods)," and the Runes (God Crests) that held supernatural powers were passed down to humans. Force Blaze (Blood oath brother) boy called Lost-A survivor of Norn people, due to the family murder tragedy, gained a Rune and swore to take revenge on people who murdered his family. But, before that, the Bifrost-an elite group under the direct control of the emperor wielding the strongest Runes stand in his way... A battle of Rune users, is that Karma the schemes of Norse Gods or is it an omen of demise? Story, revolving around the destined boy is slowly coming alive.