Grassy Terrain

Terrain

Battlefield scope

Battlefield scope: Whole field
Target: Battlefield state

Reference mechanics · Scarlet/Violet

Effect

Grounded Pokémon boost Grass move power by 1.3× and recover 1/16 HP at turn end; Earthquake, Bulldoze, and Magnitude are halved against grounded targets.

Simulator · Showdown

Duration

The reviewed Scarlet/Violet simulator source records a duration of 5 or 8 turns; recorded duration extensions: Terrain Extender.

Simulator · Showdown

Data coverage

Data coverage	Champions · M-C	Reference · Scarlet/Violet
Mechanics	Unverified	Partial Only the core effect and any duration recorded in the reviewed simulator source are shown. Other interactions and generation differences may be incomplete.
Move relations	Unverified	Partial Grassy Terrainsets this battlefield condition
Ability relations	Unverified	Partial Grassy Surgesets this battlefield condition
Item relations	Unverified	Partial Grassy Seedinteracts with this battlefield condition Terrain Extenderextends this effect
Pokémon links	Unverified	Partial Rillaboomcross-linked through a reference ability
Availability	Unverified	Unverified Scarlet/Violet reference data does not establish availability of this effect or its components under every ruleset.

Scarlet/Violet simulator records are reference data; they do not verify Pokémon Champions mechanics or eligibility.

No in-game observation or sufficiently specific official source verifies this mechanic in Pokémon Champions.

Battlefield effects

Verified links

The Scarlet/Violet reference links below use structured records or reviewed callbacks; they do not verify Champions mechanics or availability.

Grassy Terrainsets this battlefield condition
The released Scarlet/Violet move profile has a structured effect atom for this whole-field condition.
- ViZukan reference move profiles · moves-2026-09-10.1 · data/releases/moves-2026-09-10.1.json#profiles[].effects; exact structured weather, terrain and side-condition atoms only
Grassy Surgesets this battlefield condition
The pinned reference callback explicitly sets this weather or terrain when the ability activates.
- Pinned reference ability callbacks · 812501ede865eea397cd6e9a6f040d73ff57cc84 · data/abilities.ts#Drizzle.onStart, Drought.onStart, Electric Surge.onStart, Grassy Surge.onStart, Psychic Surge.onStart
Grassy Seedinteracts with this battlefield condition
The pinned reference item callback checks for this terrain before activating the held seed.
- Pinned reference item callbacks · 812501ede865eea397cd6e9a6f040d73ff57cc84 · data/items.ts#Electric Seed.onStart, Grassy Seed.onStart, Misty Seed.onStart, Psychic Seed.onStart
Terrain Extenderextends this effect
The pinned duration callback checks for this held item and extends the battlefield effect.
- showdown-move-profiles · 2f5b273925862ac242b419086c1e7a8868b51da1 · data/moves.ts#Moves; embedded condition callbacks, effect handlers, and literal duration branches
- Pinned reference item callbacks · 812501ede865eea397cd6e9a6f040d73ff57cc84 · data/items.ts literal item fields
Rillaboomcross-linked through a reference ability
The reference catalog associates this Pokémon with GrassySurge; the pinned simulator callback shows that ability setting this field effect. This cross-reference does not establish availability in Scarlet/Violet or Champions.
- pokeapi-api-data · a128524a7a0d703919e32d63d3fe8f19ec26906f · data/api/v2/pokemon/812/index.json#/abilities
- Pinned reference ability callbacks · 812501ede865eea397cd6e9a6f040d73ff57cc84 · data/abilities.ts#Drizzle.onStart, Drought.onStart, Electric Surge.onStart, Grassy Surge.onStart, Psychic Surge.onStart