NOTE: There seems to be some confusion on when the actual achievement pops. The actual achievement will not pop immediately after you complete the parts I show in the videos. It will be a little while these parts. The reason I made these videos is because they're the two hardest parts of this stage of the game (one is actually the toughest part of the entire game hehe). So instead of just posting that these achievements are story driven and unmissable, I decided to tackle the parts that are likely giving some gamers issues.
This is a STORY achievement and UNMISSABLE. I decided to make these videos because they're the two toughest parts in acquiring this achievement.
Hope that clears some things up and I apologize about the confusion, peeps! Also, there are no story spoilers in the videos. Just battle spoilers. If you're like me and don't want to know anything about a game until I experience it IN THE GAME, then don't watch them!
Anyway, I've made two videos of the two major battle on the Collector Ship on Insanity Mode. It's not exactly a solution to make the achievement pop, but these two spots are the problem spots for the entire level. I narrate them and pretty much cover everything in the videos. I'll post them once they upload to YouTube.
The first video is the battle after you contact the Normandy and everything goes bad. The second video with the Praetorian is slightly before the end of the level for achievement poppage. If nothing else, you've got to see my epic way of killing Jacob hehe.
Hope these are helpful and feel free to comment with any questions. Watch for my other solution videos as well!