How to Get Collar of Decimation in Throne & Liberty The Collar of Decimation can drop from the following sources: Lycan Kowazan boss in Grayclaw Forest Kowazan boss in Grayclaw Forest Complete the Marienne's Necklace Collection entry in the Lithograph Book You can also craft it at the Senior Accessories Crafter in Stonegard Castle, if you have a Precious Lithograph: Collar of Decimation. Lithographs are usually purchased at the Auction House.