Effect booster

An effect booster is an item which, when held, causes certain conditions to last longer or have more potent effects.

Effect boosters

Big Root Held items pocket Cannot be bought Sell for: 100
Effect: Causes HP-draining moves, Ingrain and Aqua Ring used by the holder to restore 30% more HP. The damage dealt by these moves is unchanged. Locations ??? A Pokémon held item that boosts the power of HP-stealing moves to let the holder recover more HP.

Binding Band Held items pocket Cannot be bought Sell for: 100
Effect: Causes binding moves used by the holder to inflict damage of 1/8 (rather than 1/16) of the target's maximum HP at the end of each turn. Locations ??? A band that increases the power of binding moves when held.

Damp Rock Held items pocket Cannot be bought Sell for: 100
Effect: Lengthens the duration of Rain Dance from 5 turns to 8 when used by the holder. Locations ??? A Pokémon held item that extends the duration of the move Rain Dance used by the holder.

Foul Rock Held items pocket Cannot be bought Sell for: 100
Effect: Lengthens the duration of Acid Rain from 5 turns to 8 when used by the holder. Locations Dronia Sewers A Pokémon held item that extends the duration of the move Acid Rain used by the holder.

Heat Rock Held items pocket Cannot be bought Sell for: 100
Effect: Lengthens the duration of Sunny Day from 5 turns to 8 when used by the holder. Locations ??? A Pokémon held item that extends the duration of the move Sunny Day used by the holder.

Icy Rock Held items pocket Cannot be bought Sell for: 100
Effect: Lengthens the duration of Hail from 5 turns to 8 when used by the holder. Locations ??? A Pokémon held item that extends the duration of the move Hail used by the holder.

Light Clay Held items pocket Cannot be bought Sell for: 100
Effect: Lengthens the duration of Light Screen and Reflect from 5 turns to 8 when used by the holder. Locations ??? An item to be held by a Pokémon. Protective moves like Light Screen and Reflect will be effective longer.

Smooth Rock Held items pocket Cannot be bought Sell for: 100
Effect: Lengthens the duration of Sandstorm from 5 turns to 8 when used by the holder. Locations ??? A Pokémon held item that extends the duration of the move Sandstorm used by the holder.