58 0 1The followin skull can be found in the video below, and must be done on normal or higher difficulty. The timestamp for its exact location can be found directly underneath.[0:09] - Skull: Blind - Mission: Sierra 117Guide not helping? View 3 more guides for this achievement.Showing only comment. Leave a comment. I picked up the skull but the achievement didn't pop. Then I picked up the next skull and the achievement for that particular skull did pop. In the menu, it says I collected the blind skull but I never got the achievement. Do you know why?Posted by Haloguy2710 on 26 Dec 14 at 04:21 Leave a comment
8 1 0Difficulty: Normal or higherMission has to be started from the beginningSierra 1170:03 - Blind Skull
9 2 0This skull is found on the level SIERRA 117 on NORMAL OR HIGHER difficulty. Skulls DO NOT appear on easy.The video below is all you need to see to find the skull. It is very easy to follow.All credit goes to WikiGameGuides for the video guide.