Terrain
Terrain is a five-turn field effect that changes moves and status for Pokémon on the ground
X and Y introduced Electric, Grassy and Misty Terrain, and Sun and Moon added Psychic Terrain. Electric, Grassy and Psychic Terrain raise moves of their type used by grounded Pokémon; Misty Terrain halves Dragon damage to grounded targets. The boost was 1.5 times in Generations VI and VII and 1.3 times from Sword and Shield.
Main-series games; introduced in Generation VI, X and Y.
2 later changes
- Sun and Moon added Psychic Terrain and the Tapu abilities that set terrain on entry.
- Sword and Shield cut the terrain boost from 1.5 times to 1.3 times.