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Introduced in Generation VI
Generation VI Bag Items pocket icon.png Items
Generation VII Bag Items pocket icon.png Items
Power 80

The Swampertite (Japanese: ラグラージナイト Laglargenite) is a type of held item introduced in Pokémon Omega Ruby and Alpha Sapphire. It is the Mega Stone that allows Swampert to Mega Evolve into Mega Swampert.


In the core series games


Games Cost Sell price


In battle

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

Unaffected by item negating effects (such as Embargo and Klutz). Item manipulating effects (such as Trick and Fling) cannot give Swampert a Swampertite or remove a Swampertite from Swampert.

Outside of battle

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

Pokémon holding Swampertite in Pokémon Omega Ruby and Alpha Sapphire cannot be traded to Pokémon X and Y.


Games Description
One of a variety of mysterious Mega Stones. Have Swampert hold it, and this stone will enable it to Mega Evolve during battle.


Games Finite methods Repeatable methods
ORAS Route 120 (if starter was Mudkip)
Route 114 (if starter was not Mudkip, after defeating or capturing GroudonOR/KyogreAS)
SM Event (2017 International Challenge April and Third Mega Stone Gift)
USUM Battle Tree (64 BP)

In spin-off games

Pokémon Shuffle

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Please feel free to edit this section to add missing information and complete it.
Reason: image.

In Pokémon Shuffle, the Swampertite allows the player to Mega Evolve Swampert.

The player can obtain the Swampertite by completing Mission Card 18.

The Swampertite was also available as a prize during the Mega Swampert Competitive Stage. This Competitive Stage ran on both the Nintendo 3DS and Mobile versions from January 5 to 12, 2016 and May 10 to 17, 2016. It ran on the Pokémon Shuffle Mobile from May 10 to 17, 2016.

The Swampertite enables the following Mega Evolution:

Pokémon Type Effect Gauge Max Mega Speedups
Swampert Swampert Mega Swampert Water Replaces Pokémon (max 3) of the same type as Mega Swampert.
Converts three tiles containing a single Water type into Mega Swampert.
12 6

In the manga

A Swampertite in Pokémon Adventures

Pokémon Adventures

In Omega Alpha Adventure 2, it was revealed that Steven had found a Swampertite for Ruby's Mumu.

In other languages

Language Title
Chinese Cantonese 巨沼怪進化石 Geuihjíugwaai Jeunfa Sehk
Mandarin 巨沼怪進化石 / 巨沼怪进化石 Jùzhǎoguài Jìnhuà Shí
France Flag.png French Laggronite
Germany Flag.png German Sumpexnit
Italy Flag.png Italian Swampertite
South Korea Flag.png Korean 대짱이나이트 Daejjanginite
Spain Flag.png Spanish Swampertita

External links