Askeladd protected his entire homeland when they had no chance of survival, put a prince on the throne when all odds were against him, hatched one of the greatest leaders in European history, and set the person who hated him most on the path to redemption

The antagonist did this

Putting this out because I'm seeing people powerscaling antagonists based on things like the threat they pose to the world, which is ridiculous. An antagonist should be judged by their merits within their respective story, and Askeladd is most definitely one of the best ever