How to Get the Alactritous Invoker Overcoat in Throne & Liberty The Alactritous Invoker Overcoat can drop from the following sources: There is a 6.9% chance to drop when you open the chest at the end of the Butcher's Canyon Co-Op Dungeon. You can also craft it at an Armor Crafter if you have a Rare Lithograph: Alactrous Invoker Overcoat. Lithographs are usually purchased at the Auction House.