Mewnium Z

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Mewnium Z
Mew Z
Mewnium Z
Mewnium Z
Pokémon Global Link artwork
Introduced in Generation VII
Generation VII Bag Z-Crystals pocket icon.png Z-Crystals

The Mewnium Z (Japanese: ミュウZ Mew Z) is a type of Z-Crystal introduced in Pokémon Sun and Moon. It is a Pokémon-specific Z-Crystal associated with Mew and allows it to upgrade its Psychic into the special Z-Move Genesis Supernova.

In the core series games


Games Cost Sell price


Bag Mewnium Z Sprite.png Bag item

Can create Mewnium Z held items for the player's Pokémon.

Held Mewnium Z Sprite.png Held item

In battle

Allows Mew (or a Pokémon transformed into Mew) to upgrade its Psychic into the special Z-Move Genesis Supernova. If Mew is transformed into a Pokémon other than Mew, it cannot use its exclusive Z-Move.

Unaffected by item negating effects (such as Embargo and Klutz). Item manipulating effects (such as Trick and Fling) cannot remove a Z-Crystal from a Pokémon.

Rayquaza cannot Mega Evolve if it holds a Z-Crystal.

Outside of battle

A held Mewnium Z is automatically removed if the Pokémon is traded between players.


Bag item

Games Description
SMUSUM It converts Z-Power into crystals that upgrade Mew's Psychic to an exclusive Z-Move.

Held item

Games Description
SMUSUM This is a crystallized form of Z-Power. It upgrades Mew's Psychic to a Z-Move.


Games Method
SM Pokémon Bank promotion
USUM Heahea City (from a man at the Tide Song Hotel; requires a Mew in the party)

In other languages

Language Title
Chinese Cantonese 夢幻Z Muhngwaahn-Z
Mandarin 夢幻Z / 梦幻Z Mènghuàn-Z
France Flag.png French Mewzélite
Germany Flag.png German Mewnium Z
Italy Flag.png Italian Mewnium Z
South Korea Flag.png Korean 뮤Z Mew-Z
Russia Flag.png Russian Мьюниум Z M'yunium Z
Spain Flag.png Spanish Mewstal Z

External links

Event exclusives
BerriesEgg TicketEon TicketMysticTicketAuroraTicketOld Sea MapPokétch Apps
Secret KeyMember CardOak's LetterAzure FluteEnigma StoneLiberty PassDiscount Coupon
Dynamax Crystal

Project ItemDex logo.png This item article is part of Project ItemDex, a Bulbapedia project that aims to write comprehensive articles on all items.