18 2 2Actions Report Solution Unmissable achievement, unlocked when you beat the Story Mission "A Dam Fine Rescue". Be sure to have electric, fire and slag guns for this mission, it makes it a lot easier.Showing both comments. Leave a comment. i somehow missed this on xbox one edition. i completed the entire storyline. no idea how i could make it pop since im done with everything now.Posted by TroJan on 29 Jun 21 at 15:38 Glitched on me didn't unlock when completing quest.Was able to unlock this upon completing the mission again in a Friends game had.Posted by My Ringtones on 01 Apr 23 at 19:56 Leave a comment