Ubisoft has released some surprise DLC for Assassin's Creed Valhalla that features a character from the next game, Assassin's Creed Mirage.As reported by Polygon, Ubisoft announced on Twitter (below) that a new quest called Shared History can now be downloaded for free, introducing Roshan from the upcoming Mirage to Valhalla protagonist Eivor.Roshan is the mentor of Basim, another character from Valhalla and protagonist of the next game.