The Parting Glass is the name of a building in World of Warcraft: Dragonflight that is found in the capital city of Valdrakken. It houses the vendors for the new season 4 currency, Antique Bronze Bullion. It's also where you'll find the NPC to spend your Awakened Mark of Mastery once you complete the achievement, Dragonflight Season 4 Master.
While the different elevations of the city, and the Dragon Isles as a whole, are great for exploring while dragonriding, it can make finding specific places difficult...