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.
