Price
Effect
In battle
Generation IV-VI
A Pokémon holding this item gains 4 HP EVs whenever it gains experience in battle (EVs are awarded for each Pokémon knocked out in Horde Battles despite experience being gained all at once); its effect is doubled by Pokérus. (In Generation IV, level 100 Pokémon cannot gain EVs in battle; from Generation V onward, they gain EVs whenever they would earn experience.)
The Speed stat of the Pokémon holding this item is halved during battle.
Generation VII onwards
A Pokémon holding this item now gains 8 HP EVs instead of 4 whenever it gains experience in battle.
Outside of battle
From Pokémon HeartGold and SoulSilver onward, if this item is held by a parent when breeding at Pokémon Day Care or a Pokémon Nursery, the HP IV of a parent holding a Power Weight will always be passed down to the child. If both parents hold a Power Weight, one parent will be selected at random to pass down its HP IV.
Description
| Games
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Description
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| DPPt
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A Pokémon hold item that promotes HP gain on leveling, but reduces the Speed stat.
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HGSS
BWB2W2
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A Pokémon held item that promotes HP gain on leveling, but reduces the Speed stat.
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XYORAS
SMUSUMPE
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An item to be held by a Pokémon. It reduces Speed but allows the holder's maximum HP to grow more after battling.
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| SwShBDSP
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An item to be held by a Pokémon. It reduces Speed but allows the holder's max HP to grow more after battling.
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| SV
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An item to be held by a Pokémon. Holding this weight reduces a Pokémon's Speed in battle but allows its HP stat to grow more quickly.
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Acquisition
