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Ok, for Sidney, he uses dark type pokémon ,so fighting and bug moves will be great on mightyena and absol, but shiftry and cacturne are dark and grass so fire, ice, poison, flying, and bug moves will also work really effectively on them. The same kind of thing goes for crawdaunt, because he is also part water so electric and grass moves will also be super effective on it. Make sure you don’t use psychic on Sidney’s pokémon, because psychic moves don’t affect dark type pokémon. Dark pokémon moves are not vary affective against fighting, dark, and steel type pokémon. Im too tired to do all the trainers but at least this will help you with first guy. Remember that (I think its shiftry and some other pokemon, will use double team to lower your accuracy so you’ll want to make them faint as soon as you can) also make sure you have lots of revives and full restores DONT BE AFRAID TO WASTE ALL YOU MONEY IT'L BE WORTH IT! anyway best of luck sorry that I’m not much of a help but that’s probably because I just use my rayquaza and an EXP share so that i can evolve pokémon (I’m currently six pokémon away from a completed pokédex) (yay!) Anyway, I would strongly suggest you take out swellow, and make sure you get a sableye, and a strong electric type pokémon. Good Luck!

-audifazin

get a fire type and an electric type and kickout hariyama and gardevoir and put gallade and an ice type.