Forseti later resurrects Sety's descendent Lewyn after the latter is killed by Manfroy in the aftermath of the horrific Battle of Belhalla. Forseti then proceeds to possess Lewyn, erasing some of his memories in the process. Through the guise of Lewyn, he guides Seliph through his arduous journey to regain peace upon the continent, only revealing the truth of his identity at the end of the events of Fire Emblem: Genealogy of the Holy War.