Mass Effect 2: Stop the Collectors - walkthrough Mass Effect 2 guide, walkthrough

Last update: 02 June 2021

Received from: The Illusive Man [Lazarus research station]

Description: This quest will automatically appear in your journal after completing the prologue and getting on board of the new Normandy and it's more of a guide on what needs to be done to finish the campaign. Your first order of business will be to complete four dossier quests:

- Dossier: The Professor

- Dossier: Archangel

- Dossier: The Convict

- Dossier: The Warlord

Notice that with the last one you only have to return from the planet Korlus, because activating the pod with Grunt (so that he could join your team) is going to be optional.

The next step will be to go to a briefing room located on the second deck of the Normandy. Talking to the Illusive Man will be immediately followed by a new primary quest - Horizon.

The second main quest tied to the Collector threat is called Collector Ship and you'll automatically start it after finishing one of three new dossier missions:

- Dossier: Tali

- Dossier: The Justicar

- Dossier: The Assassin

Just as before, you'll have to talk to the Illusive Man and then you'll automatically get on board of the huge ship.

The third Collector quest will become available after completing the second one and it's called The Reaper IFF. In this case you'll be allowed to choose the moment when you want to start it and I would STRONGLY recommend waiting. In the meantime you should focus primarily on adding all members to your team and completing their loyalty missions.

After you've returned from the Reaper ship (with the module) you'll find out that EDI is going to need some time to install it. As a result you'll have to complete at least one other mission and after selecting a second mission the whole process of landing on a planet or on a space station is going to be interrupted.

EDI will now inform you that the process of installing the module is complete. You can find out more about how to save Normandy's crew from the invasion from the description of The Reaper IFF quest (final part).

Saving the Normandy by getting rid of the Collectors on board of the ship will end the IFF quest for good. This means you'll be allowed to use the Omega 4 relay (second screenshot) to travel to Collectors' base of operations. Important news - if you want to save Normandy's crew you must travel through the relay as soon as possible (Legion's personal mission is the only exception)! Otherwise certain members of the crew will already be dead when you come to their rescue!

You can now go to a section named Preparations for the final battle to find out what to do next.