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Shield Harmonics is a companion perk in Fallout 4.

Obtaining[]

To gain the perk, the Sole Survivor has to reach maximum affinity with X6-88.

Effects[]

The player character's Energy Resistance is increased by 20.

Notes[]

This perk stacks with Refractor, giving 70 points of Energy Resistance without armor or clothing.

Behind the scenes[]

The title of the perk is a reference to the concept of the same name in Star Trek: The Next Generation.

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