Pokemon Sun and Pokemon Moon feature their own Legendary monsters. These can be captured in the game by completing the main scenario to become a champion.
Cosmog is a secret Pokemon that has to be evolved two times to retrieve the version exclusive Pokemon, either Sungaleo or Lunala. The evolution of the Pokemon can be done by leveling it up while in order to capture it, you can follow the steps listed below.
- Complete the main storyline of the game to become a Pokemon champion.
- Head back to the Altar (depending on your version) and enter the portal there.
- Go to the lake (depending on your version).
- Climb the top and onto the platform to receive a cutscene and Cosmog will be added to your party.
- a cutscene will start and you will be able to add Cosmog to your party / box
The location and stats of the Cosmog can also be seen in the screenshots below.
If you are interested in reading more about the game, you can check out our guides covering the evolution of Cosmog, evolution of Eevee to Sylveon, Evolution items location guide, Pokemon Encounters route guide and a handy chart detailing all the Alola region Pokemon and their final evolution.
Pokemon Sun and Pokemon Moon is available now for the Nintendo 3DS.