empyreal fragments in SW
They’re from any Lost Bandit Chest if you’re a little bit lucky. Join a chest farm and you’ll have a stack in little time.
Leader and sole member of the “Bring Penguins to Tyria” movement.
Dive into any SW map and do whatever the map is doing. Some maps are the event chain, some are chest farming. You’ll soon get to your 400 and you’ll have loads of other loot as well. And it can be quite enjoyable.