He is the Dragon who blood bonded with the crusader Ced during the Miracle of Darna, bestowing upon him the self-named tome. As a result of this blood bond, Forseti was thus remembered as the Wind God of Silesse.
Forseti later resurrects Ced's descendant Lewyn after the latter is killed by Manfroy in the aftermath of the horrific Battle of Belhalla. Forseti then proceeds to make a geas with Lewyn. As a result of the pact, Lewyn has given part of himself to Forseti, and guides Seliph through his arduous journey to regain peace upon the continent. Forseti leaves after the end of the Holy War, but Lewyn is still unable to live a normal life due to the geas.
“I understand now... All my life, I've heard tales of how the dragonkin feared becoming entangled in the sorry affairs of mankind. But you were different... You guided us where your kin never would. So long as our world lives on, humanity will never forget your kindness... Lewyn... No... A hero of a distant land... Forseti of the Wind...” —Seliph, in the Ending of Genealogy of the Holy War
Forseti is the god of justice, reconciliation, and is one of the Aesir. He is the son of the gods Baldr and Nanna.