How to Get Stormbringer Crossbows in Throne & Liberty The Stormbringer Crossbows can drop from the following sources: Avolos Aeromancer in Sanctum of Desire B1 Avolos Umbramancer in Sanctum of Desire B1 You can also craft it at the Senior Weapon Crafter in Stonegard Castle, if you have a Precious Lithograph: Stormbringer Crossbows. Lithographs are usually purchased at the Auction House.