Pokemon Sword and Shield are full of interesting and powerful creatures to collect, ... 1 / 7
... including Galarian Yamask, which has a very strange evolution requirement. 2 / 7
Galarian Yamask is one of Sword and Shield's Galar forms - regional variants on old Pokemon designs. 3 / 7
To evolve Galarian Yamask, players need to let it take 49 damage in a single move. 4 / 7
An easy way to do this is giving it a Focus Sash and then battling a "very strong-looking" Wild Area 'mon. 5 / 7
Next, take it to this large stone arch in the Dusty Bowl zone of the Wild Area. 6 / 7
When the player walks underneath, the damaged Yamask will evolve into Runerigus. 7 / 7