Yanma, the Clear Wing Pokemon, got a new evolution with the addition of the first DLC in Pokemon Scarlet and Violet. Players who purchase the Hidden Treasure of Area Zero Expansion Pass will get the Teal Mask DLC that t ransports them to the Land of Kitakami. Once there, they can find new Pokedex entries including Yanma.
The dragonfly Pokemon can be found in grassy and rocky areas at both the northern and southern tips of Kitakami. Even though it doesn’t require a special item to evolve, it does have an evolution criteria. Yanma needs a specific move to evolve into Yanmega and while it is easy to obtain, there are no TMs to learn it.
Here is how to evolve Yanma into Yanmega in Pokemon Scarlet and Violet.
Pokemon Scarlet and Violet: Yanma needs to learn Ancient Power for evolution
In order to evolve Yanma into Yanmega in Pokemon Scarlet and Violet, the dual Bug/Flying type needs to learn the Rock-type move Ancient Power. It is accessible once Yanma reaches level 30.
Yanma obtained in the Kitakami region usually possess a minimum level of 55. Thus, players can open the information screen of the Pokemon and make it remember older moves. Unfortunately, not all Yanma will have learned the move. There is also no Ancient Power TM in Pokemon Scarlet and Violet.
Players can catch multiple Yanma and search for the Ancient Power move on their info page. Once it has learned the move, battle with your Yanma to make it evolve into Yanmega which will make it retain the dual Bug/Flying typing.