The Slowbronite (Japanese: ヤドランナイト Yadorannite) is a type of held item introduced in Pokémon Omega Ruby and Alpha Sapphire. It is the Mega Stone that allows Slowbro to Mega Evolve into Mega Slowbro.

Bag Slowbronite Sprite.png
Pokémon Global Link artwork
Introduced in Generation VI
Generation VI Bag Items pocket icon.png Items (ORAS)
Generation VII Bag Items pocket icon.png Items
Power 80

In the core series games


Games Cost Sell price
PE $30,000 N/A


In battle

If held by a Slowbro (or is present in the player's Bag)PE, allows it to Mega Evolve into Mega Slowbro 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 Slowbro a Slowbronite or remove a Slowbronite from Slowbro.

Outside of battle

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

Pokémon holding Slowbronite 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 Slowbro hold it, and this stone will enable it to Mega Evolve during battle.
PE One of a variety of mysterious Mega Stones. This stone will enable Slowbro to Mega Evolve during battle.


Games Finite methods Repeatable methods
ORAS Shoal Cave (after making a Shell Bell for the first time)
SMUSUM Battle Tree (64 BP)
PE Indigo Plateau


As a held item
Games Event Language/Region Distribution period
ORAS Mega Campaign Slowbro Japan Various

In spin-off games

Pokémon Shuffle

In Pokémon Shuffle, the Slowbronite allows the player to Mega Evolve Slowbro.

The player can obtain the Slowbronite by defeating Mega Slowbro in Stage 45 found on Isla Asul.

The Slowbronite enables the following Mega Evolution:

Stone Pokémon Type Effect Gauge Max  
      Mega Slowbro Psychic Adds one more Mega Slowbro above the match.
Actually converts the tiles directly above all other Mega Slowbro into a Mega Slowbro. This effect can replace any disruption in the tile above and counts as erasing the content of the tile for damage, but does not affect black-cloud disruptions. Does nothing if the above tile is empty.
16 6

In the anime

A Slowbronite in the anime

A Slowbronite appeared during Gurkinn's explanation about Mega Evolution in An Adventure of Mega Proportions!.

In the manga

Pokémon Adventures

Omega Ruby & Alpha Sapphire arc

In Slowbro Has an Idea, Jinga was revealed to possess a Slowbronite, which he used to Mega Evolve his Slowbro.

In other languages

Language Title
Chinese Cantonese 呆殼獸進化石 Ngòihhoksau Jeunfa Sehk
Mandarin 呆殼獸進化石 / 呆壳兽进化石 Dāikéshòu Jìnhuà Shí
  French Flagadossite
  German Lahmusnit
  Italian Slowbroite
  Korean 야도란나이트 Yadonrannite
  Spanish Slowbronita

External links

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