Borderlands 2
69 Achievements
1,625
63-84h
Obsessed
Collected 10 pictures of Moxxi in Campaign of Carnage
45
How to unlock the Obsessed achievement in Borderlands 2 - Definitive Guide
Otherwise the best spot to farm this is the bar room brawl mission in Pete's Bar, you can do it on normal to make it easier / faster to kill the enemies. This mission can be played over and over with out having to quit out or leave the area, respawning the enemies for you each time.
The pictures of Moxxi can be dropped by enemies throughout the entire DLC, however it is unlikely by the time you have completed the main storyline, you will have found 10.
The best location to farm the pictures is at Pyro Pete's Bar. You just need to walk into the bar and attack an enemy in order for a brawl to break out. The Badass Brawlers are most likely to drop the pictures of Moxxi. I found that more Badass Brawlers spawned whilst just walking into the bar, having not started the Tier 3 Battle: Bar Room Blitz Mission, then when starting it. Once the enemies in the bar stop spawning, simply walk back to The Beatdown entrance and then back in to reset them all.
The pictures will continue to drop once the main storyline has been completed. This achievement is all about RNG. A few people will get lucky and find the pictures quickly, for the majority it will take a few hours of grinding.
Whilst in any of the new locations introduced in this DLC, there is a small chance that any enemy with the words 'Bad-ass' before its name will drop a framed pictures of Moxxi, upon dying.
The picture has a purple glow when it has dropped (Looks like PURPLE rare loot), and is a rather large, rectangular, somewhat unmissable object, amongst all the weapons and cash dropped from dead enemies, so you won't miss them when they drop.
Fastest way to farm these is at 'Pyro Pete's Bar', which can be accessed by travelling through 'The Beatdown' area. A lot of 'Bad-Ass' enemies spawn here if you activate the mission, 'Bar Room Blitz' within this area and you can activate the mission as many times as you want. Just start the mission, kill everyone inside the bar, including the large amount of 'Bad-Asses' that spawn here, hoping that 1 or more will drop a picture, if so pick it/them up, then save and quit. Then hit continue when you get to the main menu, and you will already be inside Pyro Pete's Bar when you spawn. You can then activate the mission again and continue the cycle until you have found 10 pictures to unlock the achievement.
*Note; This achievement is reportedly glitchy and may not unlock for some people after having found 10 pictures. Do not worry though, as it will unlock, you may just need to find more pictures. It may take somewhere in between 10 and 20 pictures to unlock the achievement, but it will unlock. Some report that there are 10 different pictures that must be collected. This is currently unconfirmed.
The best place to farm trophies is Pyro Pete's Bar. Take the mission on the board in it - Battle: Bar Room Blitz and repeat again and again until you collect enough images of Moxie. Photos will drop from badass enemies.
PS in the bar the photo did not appear even once (about 50 runs)
I got photos from both small dwarfs and ordinary psychos, and not just from badass jocks