Hard Stone


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The Hard Stone (Japanese: かたいいし Hard Stone) is a type of held item introduced in Generation II that boosts the power of moves.

Price
In the Generation V games, the Hard Stone can be sold to an item maniac inside the Icirrus City Pokémon Center for 500.
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Generations II and III
Boosts the power of the holder's moves by 10%.

Generation IV onward
Boosts the power of the holder's moves by 20%.

Description

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Acquisition

 * Trick House (Third Puzzle)
 * Held by (5% chance) and  (1% chance)
 * Held by (5% chance) and  (5% chance)
 * Held by
 * Held by
 * The Underground Held by (5% chance),  (5% chance), and  (5% chance)
 * , S.S. Aqua (held by Ricky's )
 * Held by (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Mistralton Cave
 * s Held by (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Relic Passage
 * Join Avenue
 * (Lv. 5 and 6) Spiky Rock 1 (in battles; using or ) Held by  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Trick House (Second Puzzle)
 * (except Mirage spots) (Lv. 5 and 6)  (from stone seller) Held by  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Ten Carat Hill
 * Poké Pelago (Isle Aphun - all paths) Held by (5% chance) and  (5% chance)
 * Ten Carat Hill
 * Sometimes dropped after ambush encounters with (Ultra Space Wilds) Poké Pelago (Isle Aphun - all paths) Held by  (5% chance) and  (5% chance)
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 * The Underground Held by (5% chance),  (5% chance), and  (5% chance)
 * , S.S. Aqua (held by Ricky's )
 * Held by (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Mistralton Cave
 * s Held by (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Relic Passage
 * Join Avenue
 * (Lv. 5 and 6) Spiky Rock 1 (in battles; using or ) Held by  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Trick House (Second Puzzle)
 * (except Mirage spots) (Lv. 5 and 6)  (from stone seller) Held by  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Ten Carat Hill
 * Poké Pelago (Isle Aphun - all paths) Held by (5% chance) and  (5% chance)
 * Ten Carat Hill
 * Sometimes dropped after ambush encounters with (Ultra Space Wilds) Poké Pelago (Isle Aphun - all paths) Held by  (5% chance) and  (5% chance)
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 * Relic Passage
 * Join Avenue
 * (Lv. 5 and 6) Spiky Rock 1 (in battles; using or ) Held by  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Trick House (Second Puzzle)
 * (except Mirage spots) (Lv. 5 and 6)  (from stone seller) Held by  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Ten Carat Hill
 * Poké Pelago (Isle Aphun - all paths) Held by (5% chance) and  (5% chance)
 * Ten Carat Hill
 * Sometimes dropped after ambush encounters with (Ultra Space Wilds) Poké Pelago (Isle Aphun - all paths) Held by  (5% chance) and  (5% chance)
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 * Trick House (Second Puzzle)
 * (except Mirage spots) (Lv. 5 and 6)  (from stone seller) Held by  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance),  (5% chance), and  (5% chance)
 * Ten Carat Hill
 * Poké Pelago (Isle Aphun - all paths) Held by (5% chance) and  (5% chance)
 * Ten Carat Hill
 * Sometimes dropped after ambush encounters with (Ultra Space Wilds) Poké Pelago (Isle Aphun - all paths) Held by  (5% chance) and  (5% chance)
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 * Ten Carat Hill
 * Sometimes dropped after ambush encounters with (Ultra Space Wilds) Poké Pelago (Isle Aphun - all paths) Held by  (5% chance) and  (5% chance)
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Appearance
This is the appearance of the Hard Stone in the Sinnoh Underground.

In the Pokémon Adventures manga
A Hard Stone was held by the  that  used during his battle against  in Pinsir Me, I Must Be Dreaming and Gotcha Where I Wantcha, Glalie.