Pokémon FireRed / LeafGreen / Network researcher
Celio

Network researcher · One Island
Celio maintains a system intended to connect the Sevii Islands with wider Pokémon networks. Bill introduces the player to his work.
- Story: His Ruby and Sapphire gemstone request forms a major postgame chain. The assignment has progression and Pokédex conditions beyond merely reaching the islands for the first time.
- In the game: Use the Sevii checklist to track prerequisites and return visits. The network quest is distinct from catching event-only Pokémon, whose historical distribution requirements are not automatically satisfied by completing Celio’s work.
Story spoilers.
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