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Loyalty Missions are the most important way to keep your party alive. Saving the Normandy Crew is NOT REQUIRED to earn the ‘No Man Left Behind’ achievement / trophy.
4+ Missions: Only the doctor will survive. 1-4 Missions: Half of the crewmembers will survive. You have to initiate the Omega-4 Relay immediately. 0 Missions: All crewmembers will survive. Once the ambush occurs, you’ll only have a limited time to act. Talking to Legion (after Kelly announces it) will give you +1 time to complete all Loyalty Missions.
After the ambush, the most missions you complete, the more of your crew will die. This is initiate once you have almost all your Loyalty Missions complete. The longer you take to travel to the Omega-4 Relay, the more of your crew will die. If you initiate the Reaper IFF, you’ll be hit with an ambush and your crew will be kidnapped. Complete all critical Normandy ship upgrades. Complete all squadmate Loyalty Missions. How To Save Everyone | Before Reaper IFF. The Reaper IFF will initiate a countdown that requires you to act, so don’t go until you’re fully prepared! You’ll also need to complete all preparations BEFORE initiating the Reaper IFF mission. The ‘Suicide Mission’ is the final battle - it occurs after initiating the Omega-4 Relay. Suicide Mission Survival Guide | How To Get ‘No One Left Behind’ Mass Effect 3: How To Get The Best Ending | War Assets Guide More Mass Effect: Legendary Edition guides: It’s been a good ten years since the original release and Mass Effect: Legendary Edition, so I figure we could all brush up on the basics. How to prepare for the final mission, and what choices to make when you reach the Collector Base. In this guide, we’re going to break down exactly how to keep everyone in your group alive.
And considering Mass Effect 3 is directly linked to how your story plays out in ME2, it’s important to save as many characters as possible. The ‘Suicide Mission’ is your last ditch effort to stop the collectors, and your entire party can die if you’re not careful. The final battle of Mass Effect 2 can have huge repercussions on your future.