Yeah, as said, gotta be more than 20 Stranger missions. I'm about 4 hrs in, 5 story missions or so and have done 8 stranger missions or so. I think there's like 60.
295 completed games to 100%
90.42% completion percentage
Last Achievement : Executioner - Titanfall (Xbox One) - 20g
Last 100% Completion : Trials Fusion - Riders of the Rustland DLC (Xbox One)
Thanks to Rajeanero for the avatar and Xerofox for the sig.