47 Pokémon in Pokémon Emerald that deal 2× damage topoison
Hit it with
groundpsychic
marshtomp
waterground
swampert
waterground
ralts
psychic
kirlia
psychic
gardevoir
psychic
abra
psychic
kadabra
psychic
alakazam
psychic
nincada
bugground
geodude
rockground
graveler
rockground
golem
rockground
meditite
fightingpsychic
medicham
fightingpsychic
numel
fireground
camerupt
fireground
spoink
psychic
grumpig
psychic
sandshrew
ground
sandslash
ground
trapinch
ground
vibrava
grounddragon
flygon
grounddragon
lunatone
rockpsychic
solrock
rockpsychic
barboach
waterground
whiscash
waterground
baltoy
groundpsychic
claydol
groundpsychic
starmie
waterpsychic
chimecho
psychic
wynaut
psychic
wobbuffet
psychic
natu
psychicflying
xatu
psychicflying
girafarig
normalpsychic
phanpy
ground
donphan
ground
rhyhorn
groundrock
rhydon
groundrock
beldum
steelpsychic
metang
steelpsychic
metagross
steelpsychic
latias
dragonpsychic
latios
dragonpsychic
groudon
ground
jirachi
steelpsychic