Wolfknight of the round table Fate grand Order x male reader

yeah I read two stories with the male reader either being Artorias or abyss watchers for mine I'm going to do both bosses so. you are the second son to Artoria Pentdragon and half brother of Mordred you are titled as the Wolfknight of the round table and armed with a sword and dagger along with your partner Sif the wolf what will happen in this knight's story?

I do not own the Fate series and Dark souls they belong to their respected owners
while you belong to yourself