Anomaly and Distress Signal Investigations in Mass Effect 3 often lead to critical missions and discoveries. These signals can guide Commander Shepard to new areas, uncover hidden threats, or provide opportunities to gather valuable resources. Engaging with these investigations is crucial for advancing the war effort against the Reapers and securing the galaxy's future. Prioritizing these signals can unlock new story paths and strengthen your alliances.
Act II Missions
- Priority: Perseus Veil - The Migrant Fleet is wiped out.
- Priority: Rannoch - Infiltrate a Reaper base on Rannoch to deactivate the signal upgrading the geth.
- Priority: The Citadel III - Meet with the asari Councilor to receive the location of a clue regarding the whereabouts of the Catalyst.
- Priority: Thessia - Reach an asari temple on Thessia to retrieve vital information as the Reapers devastate the planet.
- Priority: Horizon - Investigate Cerberus's connection to a refugee center on Horizon.
Act III Missions
No side missions can be completed once you begin Act III, so finish anything else you want to complete before heading to Cerberus Headquarters.
- Priority: Cerberus Headquarters - Assault Cerberus's headquarters to recapture a Prothean VI that can identify the Catalyst.
- Priority: Earth - Gather the galaxy's forces and launch the final battle to retake Earth from the Reapers and deploy the Crucible.