Blue has all different types but i beat him with infernape and palkia which i traded from my Pokemon Pearl
you will need a good level pokemon but your types can be either water,fire or ground. and fight The best pokemon against steel type is fire type pokemon......train your fire type pokemon to high level before you fight with the gym ....
The fifth gym leader Koga uses Poison type pokemon so your best bet is to use Psychic or Ground types against them. A Kadabra(Alakazam would be even better) can easily take care of all of Koga's pokemon.
the best Pokemon to use against electric Pokemon is ground/rock Pokemon.
Ground types are best against electric types.
Rayquaza and deoxys are the best ... or at least for me....
if you have Groudon and it has fissure use him..
it would be best to use ghost Pokemon against the gym leader
grass and electric types
The Best Region in Pokemon is Kanto because it has one of the besy Pokemon like mewtwo, and charizard and it is the original
The 8th Gym Leader has electric type pokemon. Your best bet to defeat him is Ground or Rock pokemon. Electric types are not effective against ground types.
1. kanto 2 johto 3hoenn 4sinnoh
Which ever one effects your rivals Pokemon the best
Clay, the fifth Gym Leader, uses Ground-Type Pokemon, so Water-Type Moves are good against it. One of his Pokemon is Palpitoad, which is a Water- and Ground-Type Pokemon, so it's probably best not to use Fire-Type Pokemon against this one. The other two Pokemon are Krokorok and Excadrill. Hope this helps.
you will need a good level pokemon but your types can be either water,fire or ground. and fight The best pokemon against steel type is fire type pokemon......train your fire type pokemon to high level before you fight with the gym ....
Brock is the easiest gym leader in kanto he has ground type Pokemon so you want to bring either water type Pokemon or grass type Pokemon ice type Pokemon also work. Teach them there type moves and use them to receive your boulderbadge.
Electric Pokemon, and Grass Pokemon are good against water
marshtomp