Zevros

Also, small bug report (i think?) I had gas arrow'd the facemask guard downstairs and he didnt die (which i think to be intentional? just mentioning this just in case) But after going upstairs and turning the lever behind the statue, every couple minutes i would randomly get a mission failed for killing someone (which I didn't do?). I'm not really sure why, I mentioned the gas arrow thing just in case.

This is an amazing mission, I had a lot of fun with the first part, but have yet to play the second part. I do, however have a question. I have finished all the objectives on the hardest difficulty, but finding the final painting, and I cant for the life of me find it. I've found paintings in the Basement, Attic, Gallery, and the big dining room thing upstairs, but I cant find the final. Any hints?