Pichu evolves into Pikachu through high friendship, requiring a friendship value of 220 or higher out of a possible 255.

Ralts evolves into Kirlia at level 20, and Kirlia then evolves into either Gardevoir at level 30 or Gallade when exposed to a Dawn Stone.

Riolu evolves into Lucario when it reaches a friendship level of 220 or higher and then levels up during daytime hours in-game.

Dreepy evolves into Drakloak at Level 50, and Drakloak then evolves into Dragapult at Level 60.

Deino evolves into Zweilous at Level 50, and Zweilous then evolves into Hydreigon at Level 64. This makes the Deino line the slowest-evolving Pokémon...

Axew evolves into Fraxure at level 38, and Fraxure then evolves into Haxorus at level 48. This straightforward three-stage evolution line requires no...

Gible, the Land Shark Pokémon (National Pokédex #443), evolves into Gabite at Level 24, and Gabite then evolves into Garchomp at Level 48.

Bagon evolves into Shelgon at Level 30, and Shelgon then evolves into Salamence at Level 50. This three-stage Dragon-type evolution line, introduced in...

Larvitar evolves into Pupitar at level 30, and Pupitar then evolves into Tyranitar at level 55.

Dratini evolves into Dragonair at Level 30, and Dragonair then evolves into Dragonite at Level 55.