>>39591433>can't leave until you are KO'd or win>puzzles reset when you do leave>gym trainer levels are set but gym leaders are scaled to yours +2 or 3 levels higher>trainer items are banned inside gyms, but this also affects the gym leaders and trainers too>Gym trainers ace pokemon always have perfect IVs, EVs and a held itemGyms will also have a special condition that affects all of their battles. For example, maybe in one of the later gyms you MUST beat an opponent trainer in 10 or less turns or you white out or in another all of your pokemon have one move randomly disabled.
