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Helix Fossil

Ultra Sun & Ultra Moon

Ultra Sun & Ultra Moon

Showing Ultra Sun & Ultra Moon. Items may require trading, an event, or downloadable content.

Helix Fossil

A fossil from a prehistoric Pokémon that once lived in the sea. It might be a piece of a seashell.

Category: Evolution

Sources: PokéAPI, PKHeX game records, Pokémon Showdown and Serebii.