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==In the movies==
===In the Pokémon Detective Pikachu===
[[File:Pokémon Trainer Detective Pikachu.png|thumb|Two official trainers in Detective Pikachu]]
In Ryme City, Pokémon battles are illegal. However during the introduction of the movie an official Pokémon battle is shown. Undercover, unofficial battles are fought in battle rings. One of these rings is shown in possession of a trainer named Sebastian.