How to get the Silver Fang wolf mount in Crimson Desert

Getting the Silver Fang wolf mount in Crimson Desert is a lot of fun—after all, who doesn't want to ride around Pywel on a white wolf, chomping on any bandits that get in your way? The problem is that this mount is locked behind a specific Hernand faction quest, Legendary Wolf, and this requires a big chunk of regional quest progress to appear.

In fact, it's one of the later quests in the region for House Celeste after you've done almost everything else. It's well worth doing, though, since...