Mewtwonite Y
Generation
Generation VI
Category
Mega Stones
Consumable
No
Holdable
Yes
Field Use
No
Battle Use
Yes
Fling
Power: 80
Description
A Mega Stone that allows Mewtwo to Mega Evolve into Mega Mewtwo Y.
| Generation | Version | |
|---|---|---|
| Generation VI |  Items | |
| Generation VII | Items | |
| Generation IX |  Mega Stones | ZA |
Effects
Held
Evolution Trigger
Gen VI+
Enables Mega Evolution into Mega Mewtwo Y
Flavor Texts
XY
One variety of the mysterious Mega Stones. Have Mewtwo hold it, and this stone will enable it to Mega Evolve during battle.
ORAS
One of a variety of mysterious Mega Stones. Have Mewtwo hold it, and this stone will enable it to Mega Evolve during battle.
LGPLGE
One of a variety of mysterious Mega Stones. This stone will enable Mewtwo to Mega Evolve during battle.
ZA
One of a variety of mysterious Mega Stones. A Mewtwo holding this stone will be able to Mega Evolve during battle.
Notes
Unaffected by item-negating effects and cannot be removed or given via item-manipulating effects.
Evolutions
Acquisitions
| Versions | Method | Location | Cost | |||
|---|---|---|---|---|---|---|
X | () | Unknown Dungeon (Kalos) After catching Mewtwo | — | |||
OR | () | Pokémon League (Kalos) Outside the front door | — | |||
S ZA | — | — | ||||
US | 64 BP | |||||
LGP | Cerulean Cave From Green after defeating her | — |
Distributions
| Event | Method | Period | Region | Versions |
|---|---|---|---|---|
| Mewtwo Mega Stones | — | 03/03/2017 – 31/10/2017 | All | SM |
| Side mission EX2: Project M | — | 02/12/2025 | All | ZA |
Spin-Off Games
| Game | Effect | Acquisition |
|---|---|---|
| Pokémon Shuffle | Allows Mewtwo to Mega Evolve. | Defeat Mega Mewtwo in Stage 150 on Jungle Verde. |
Sprites
XY
Other Languages
ミュウツナイトY (Myūtsunaito Y)
Mewtwoïte Y
Mewtunit Y
Mewtwoite Y
Mewtwoita Y
뮤츠나이트Y
超夢進化石Ｙ (Chīumuhng Jeunfa Sehk Y)
超夢進化石Ｙ (Chāomèng Jìnhuà Shí Y)