How to evolve Pokémon in Pokémon Mystery Dungeon: Rescue Team DX

[iMore.com]

While you can catch evolved Pokémon throughout Pokémon Mystery Dungeon: Rescue Team DX, you can only evolve your Pokémon once you complete the main story. Like in the main games, requirements for evolution vary, but the game will let you know what you need when you try. Some Pokémon are almost exclusively acquired through evolution, so you'll need to use this feature to collect them all.

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