A coffin draped in chains
From VW-Wiki
Area: Lupanar
Hunt robert the manager at Lupanar. Kill him and get key. After that, go s,e,s. Unlock d, go 3d,e,s, then hurl any mobs south, till the south door breaks open (you cant picklock or use a key for the door), then just walk into the south room. The coffin will be on the floor. You need to drop any containers/bags you're carring to pick the coffin.