To set the scene, Entangled is one of, if not the best mission in Starfield.

Here’s what you gotta do to save both universes and net a legendary reward.

Here’s the bullet point breakdown, but keep reading for more details.

The player in Starfield speaks to Rafael during the Entangled mission.

He’ll be carrying a Probe Calibration Protocol note, which details how to save both universes.

Make your way to the Lab Control Computer, which is on the second floor.

Whichever universe you are in, snag the degaussing option.

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The screen will say that some power interlocks require degaussing.

Go to these switches and turn them off and then on again.

Switch universes, then head back to the Lab Control Computer and repeat the process in the other reality.

The player in Starfield reads a text log of the probe calibration protocol during the Entangled mission.

Check the computer in both universes to ensure you’ve done it correctly.

In the surviving world, select Frequency Calibration on the computer, then select 40GHz.

In the doomed world, do the same, but select 24GHz.

The player initiates degaussing in a Starfield terminal screen.

You have successfully saved both universes.

The player sets the frequency calibration to 40GHz in a Starfield terminal screen.