Mewtwo

Static encounter odds

• Full odds 1 in 8,192

• Cerulean CaveStatic encounter

  Lv. 70

  The cave opens after the Hall of Fame once the Network Machine quest on One Island is finished. Deepest floor; needs Surf. Save in front of it and soft reset (A+B+X+Y on Switch) to reroll for a shiny.

  Researched, awaiting review · checked 8 Oct 2026 · itemlevel.net

  Something wrong?

  Shiny: yes

• Lysandre LabsStatic encounter

  Lv. 70

  Needs the main story finished and the Mewtwonite X and Y internet Mystery Gift (out since 2 Dec 2025, no end date announced), which starts the Project M side mission; forced non-shiny.

  Researched, awaiting review · checked 8 Oct 2026 · gamerant.com

  Something wrong?

  Shiny locked

• 7-star black crystal Tera Raid (Poké Portal event)RaidEnded 17 Sept 2023, 23:59 UTC

  Lv. 100

  Psychic Tera Mewtwo with the Mightiest Mark; needed 7-star raids unlocked, catchable once per save and never shiny.

  Researched, awaiting review · checked 7 Oct 2026 · pokemon.com

  Something wrong?

  Shiny locked

Static encounter odds

• Full odds 1 in 4,096

• Ramanas Park (Genome Room)Static encounter

  Lv. 70

  Ramanas Park opens in the post-game (Hall of Fame plus National Pokédex); slates are bought there with Mysterious Shards dug up in the Grand Underground. Uses one Genome Slate per encounter; sold after the version's trio (Raikou, Entei and Suicune in Brilliant Diamond; Articuno, Zapdos and Moltres in Shining Pearl) is caught.

  Researched, awaiting review · checked 8 Oct 2026 · serebii.net

  Something wrong?

  Shiny: yes

Raid odds

• Dynamax Adventures 1 in 300 (Max Lair only)

• Max Lair (Dynamax Adventures)Raid

  Lv. 70

  Possible final boss of a Dynamax Adventure; shiny odds are about 1 in 300 per catch, or 1 in 100 with the Shiny Charm, and you only see whether it is shiny on the results screen. Can be caught once per save.

  Researched, awaiting review · checked 7 Oct 2026 · serebii.net

  Something wrong?

  Shiny: boosted odds

Static encounter odds

• Full odds 1 in 4,096

• Cerulean CaveStatic encounter

  Lv. 70

  Cave opens after you become Champion; one per save, can be shiny at base odds by saving in front of it and resetting, and Catch Combos do not apply.

  Researched, awaiting review · checked 8 Oct 2026 · smogon.com

  Something wrong?

  Shiny: yes

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank

Static encounter odds

• Full odds 1 in 4,096

• Ultra Space Wilds (Crag)Static encounter

  Lv. 60

  Ultra Warp Ride, unlocked late in the story: can appear in green Ultra Wormholes, most often the rarer ringed ones far out. One per save, it keeps reappearing until caught, and it can be shiny.

  Researched, awaiting review · checked 8 Oct 2026 · serebii.net

  Something wrong?

  Shiny: yes

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank

Static encounter odds

• Full odds 1 in 8,192

• Cerulean CaveStatic encounter

  Lv. 70

  Cave opens after entering the Hall of Fame; needs Surf. One chance only. This game has no Shiny display; the DVs decide, and it shows as Shiny only after trading to Generation II or moving up through Poké Transporter.

  Researched, awaiting review · checked 8 Oct 2026 · projectpokemon.org

  Something wrong?

  Shiny: yes

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank

Static encounter odds

• Full odds 1 in 8,192

• Cerulean CaveStatic encounter

  Lv. 70

  Cave opens after entering the Hall of Fame; needs Surf. One chance only. This game has no Shiny display; the DVs decide, and it shows as Shiny only after trading to Generation II or moving up through Poké Transporter.

  Researched, awaiting review · checked 8 Oct 2026 · projectpokemon.org

  Something wrong?

  Shiny: yes

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank

• Unknown DungeonStatic encounter

  Lv. 70

  Cave reached by surfing from Pokémon Village after entering the Hall of Fame; never shiny in this game.

  Researched, awaiting review · checked 8 Oct 2026 · serebii.net

  Something wrong?

  Shiny locked

Transfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank

Static encounter odds

• Full odds 1 in 8,192

• Cerulean CaveStatic encounter

  Lv. 70

  The cave opens once all eight Kanto badges are earned.

  Researched, awaiting review · checked 8 Oct 2026 · pokebip.com

  Something wrong?

  Shiny: yes