You have to find Benefix to complete your Pokédex, which is a tall order. Pokémon Sword and Shield. Unfortunately, those with Sword are going to have a bit more difficulty acquiring this Pokémon since it is only available in Shield. A Shield The player must exchange it to complete their Pokédex. The next part of its spawn and how to get it is only for Shield owners.
The Only Place Shield Players can find a Benefix in the Dusty Bowl in the Wilderness. However, the problem is that a Benefix only appears there when there is heavy fog. It is extremely difficult to spawn the fog, but you can reliably spawn it after you beat the game. To beat the game you have to enter the Hall of Fame and defeat Leon.
If you haven't already, you won't be able to capture a Benefix. When the thick fog arrives, you have about a 35% chance of seeing a Benefix in the outside world, which means you can see it roaming around in the game. It can spawn anywhere from level 42 to 47.
In order for the Heavy Fog show to appear reliably, you can go to the main settings of your Switch and change the time of day. Want to change the calendar date to 06/01/2020, which players have discovered is the best way to display Heavy Fog throughout the game.
Anyone who wants to help out a player Sword and trade them in, a Benefix must have access to Nintendo's online service. Go to the Y-comm function, then select the Link Exchange option, then choose Set Link Code. Create a quick four-digit password and give it to your friend with whom you can then exchange a spare Benefit so they can add the Pokémon to their collection.