![CloudMax on Twitter: "Did some testing to figure out how the Cerulean Cave item spawns worked. Master Ball seems to just be a very rare drop on the Poké Ball spots. And CloudMax on Twitter: "Did some testing to figure out how the Cerulean Cave item spawns worked. Master Ball seems to just be a very rare drop on the Poké Ball spots. And](https://pbs.twimg.com/media/DsssZUwWoAAecPW.jpg:large)
CloudMax on Twitter: "Did some testing to figure out how the Cerulean Cave item spawns worked. Master Ball seems to just be a very rare drop on the Poké Ball spots. And
![Pokemon Let's Go Fossils: the Dome Fossil, Helix Fossil, Old Amber and how to turn them into Pokemon | RPG Site Pokemon Let's Go Fossils: the Dome Fossil, Helix Fossil, Old Amber and how to turn them into Pokemon | RPG Site](https://assets.rpgsite.net/images/images/000/071/976/original/pokemon_go_extra_helix_dome_fossil_old_amber.jpg)
Pokemon Let's Go Fossils: the Dome Fossil, Helix Fossil, Old Amber and how to turn them into Pokemon | RPG Site
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Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net
![Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net](https://assets.reedpopcdn.com/pokemon_lets_go_cerulean_cave_1.jpg/BROK/resize/1200x1200%3E/format/jpg/quality/70/pokemon_lets_go_cerulean_cave_1.jpg)
Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net
![Pokémon FireRed and LeafGreen/Cerulean Cave — StrategyWiki, the video game walkthrough and strategy guide wiki Pokémon FireRed and LeafGreen/Cerulean Cave — StrategyWiki, the video game walkthrough and strategy guide wiki](https://cdn.wikimg.net/en/strategywiki/images/thumb/7/7d/Pokemon_FRLG_Cerulean_Cave_1F.png/500px-Pokemon_FRLG_Cerulean_Cave_1F.png)
Pokémon FireRed and LeafGreen/Cerulean Cave — StrategyWiki, the video game walkthrough and strategy guide wiki
![Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net](https://assets.reedpopcdn.com/pokemon_lets_go_cerulean_cave_4.jpg/BROK/resize/1200x1200%3E/format/jpg/quality/70/pokemon_lets_go_cerulean_cave_4.jpg)
Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net
![Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net Pokémon Let's Go Cerulean Cave and how to find Mewtwo - available Pokémon, items and trainers | Eurogamer.net](https://assets.reedpopcdn.com/pokemon_lets_go_cerulean_cave_3.jpg/BROK/resize/1200x1200%3E/format/jpg/quality/70/pokemon_lets_go_cerulean_cave_3.jpg)