The Midgard Saga.
Oscar is a Human Vengeance paladin, who came north from the wall to retire in the town of Vastithorp.
He was last seen in the Lizardfolk settlement in the centre of Vhess, before Riding Simon back to the wall as fast as possible, hearing news of its fall.
Oscar lost his wife bessie during the conflicts with the ice giants, whilst manning the wall alongside the dwarvish people.
He Carried his greatsword bessie in her honour, believing to carry her soul within the sword. From the day that Bessie died, he felt stronger, and unbeknownst to him began his oath of vengeance against the ice giants.