Mawilite

The Mawilite (Japanese:  Kucheatnite) is a type of held item introduced in Generation VI. It is a Mega Stone associated with.
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Price

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In battle
If held by an, allows it to Mega Evolve into Mega Mawile if its has a Key Stone. Each Trainer can only Mega Evolve one Pokémon per battle.

Unaffected by item negating effects (such as and ). Item manipulating effects (such as and ) cannot give Mawile a Mawilite or remove a Mawilite from Mawile.

Outside of battle
If held by an Mawile, allows it to Mega Evolve into Mega Mawile when it performs a during a Pokémon Contest Spectacular while its Trainer has a Key Stone. Mawile will remain a Mega Mawile until the Talent Round ends.

Description

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Acquisition

 * Shabboneau Castle 2F (requires an upgraded Mega Ring)
 * Verdanturf Town
 * Event (2017 International Challenge February and )
 * Battle Tree (64 BP)
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 * Verdanturf Town
 * Event (2017 International Challenge February and )
 * Battle Tree (64 BP)
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 * Battle Tree (64 BP)
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 * Battle Tree (64 BP)
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In the anime
A Mawilite appeared in The Bonds of Mega Evolution!, worn by Mabel's in a piece of jewelry placed at the foot of its head jaws.