Grass and Electric moves
Ice, Dragon, and Fairy
Blastoise is weak against Grass and Electric-type attacks.
dragon and ice is most efective against dragon.
Have a diverse team, make sure there isn't a type that is super effective against all your pokes. -Blastoise -Gengar --Alakazam -Pidgeot -HM Pokemon X2 -Blastoise is super effective against rock, ground and fire -Gengar is super effective against ghost,grass and bug -Alakazam is super effective against fighting and poison -Pidgeot is super effective against bug fighting grass
Dark, Ghost and Bug (such as Umbreon, Spiritomb, Shadow Ball, Silver Wind) are super effective Pokémon or Pokémon attacks against Mewtwo.
fire and fight
Ice, Dragon, and Fairy
Blastoise is'nt in Melee.
Fire, Bug, Ice, Poison, Flying
Blastoise is weak against Grass and Electric-type attacks.
Fire is super effective against grass, bug, ice, and steel.
electric types and grass types.
dragon and ice is most efective against dragon.
Definitely Swampert. It only has one weakness, ice which can be beaten with a super-effective hammer arm and Blastoise has only one type and not nearly as diverse a move set. Plus, Swampert is so dang cool and good at battle frontier and gyms.
Have a diverse team, make sure there isn't a type that is super effective against all your pokes. -Blastoise -Gengar --Alakazam -Pidgeot -HM Pokemon X2 -Blastoise is super effective against rock, ground and fire -Gengar is super effective against ghost,grass and bug -Alakazam is super effective against fighting and poison -Pidgeot is super effective against bug fighting grass
Dark, Ghost and Bug (such as Umbreon, Spiritomb, Shadow Ball, Silver Wind) are super effective Pokémon or Pokémon attacks against Mewtwo.
blastoise