Some cool loot! I believe this is one of those yearly events? Could be wrong, but I have seen the Siegebreaker Griffon mount around…
The Cult of the Dragon has amassed their forces once more to lay siege to the city of Neverwinter! Sharpen those blades and prepare to defend the city in the Siege of Neverwinter!
details here… https://www.arcgames.com/en/games/neverwinter/news/detail/11017113