All 9 Pokemon leagues, ranked least to most difficult

While most episodes of Pokemon offer at least one or two battles with different trainers, the one event that always excites fans is the Pokemon League.

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Tier list of gym leaders based on difficulty : r/nuzlocke

All 9 Pokemon leagues, ranked least to most difficult

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How to increase your rank and rating in the Pokémon Go Battle League - Dot Esports

Made a tier list of the difficulties shown on the menu (don't know what to flair this) : r/PokemonUnite

Easiest (and Hardest) Pokémon Games to Nuzlocke Tier List – Nuzlocke University

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