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Effect / Mechanics
Held: Holder gains 4 Special Defense effort values, but has halved Speed in battle.
Source: PokeAPI
In-game description
"An item to be held by a Pokémon. It reduces Speed but allows the holder’s Sp. Def stat to grow more after battling."
Properties
Holdable Holdable (Active)
Fling Power
70 Power
Power of the move "Fling" when using this item.