Art Dealer is an achievement/trophy in Dishonored.
How to Acquire[]
In order to acquire this achievement Corvo Attano must collect all 11 Sokolov Paintings. This has to be done in the same playthrough. See here for a list where to find them.
To acquire the final painting, the player must complete a mission for both Granny Rags and Slackjaw to gain the option to confront them both in the sewers.
The following is a list of the number of paintings in each mission:
- Mission 02: High Overseer Campbell: 1 painting.
- Mission 03: House of Pleasure: 3 paintings.
- Mission 04: The Royal Physician: 1 painting.
- Mission 05: Lady Boyle's Last Party: 2 paintings.
- Mission 06: Return to the Tower: 1 painting.
- Mission 07: The Flooded District: 3 paintings.