Heading most of the way through Southpaw Steam & Power...only to realize I forgot a shotgun for the optional-criteria when taking down Assassin Rouf.
(I spare you the backtracking.)
Disclaimer: Borderlands 2 is a game developed by Gearbox Software, and published by 2K Games - I do not have any affiliation/association with Gearbox or 2K, nor do I claim to have any affiliation/association with them. I do not own, or claim to own, any part of the displayed content - this video is for entertainment purposes only.