Read about how to get Prism Scale in Pokemon Sword and Shield. Including where to get it, location, price and its uses & effects.Check Out Recommended Breeding Items
Prism Scale - How to Get
Pick Up in Lake in Route 2
The Prism Scale can be found in the lake next to the Professor Magnolia's house in Route 2. You'll need the Water upgrade of the Rotom Bike to be able to get it.Check Out How to Get the Water Bike
Possibly Only 1 Per Save File
It seems like the Prism Scale is limited to only 1 per save file since it cannot be found or purchased anywhere. Make sure to use it wisely!
Prism Scale - Uses & Effects
Use to Evolve Feebas to Milotic
When a Feebas is traded while holding a Prism Scale, it will evolve into a Milotic at the end of the trade!