All About Poison-Type Pokémon: Strengths, Weaknesses and Strategies in Pokémon FireRed and LeafGreen

Poison-type Pokémon are one of the eighteen types of Pokémon available in the game. From their name, they’re known to inflict poison against their enemies, but there’s so much more to Poison Pokémon than this ability. Don’t know much about what else they can do? We’ve got you covered so read on below!

Table of Contents

Poison Pokémon Strengths and Advantages

Poison-type Pokémon have a type advantage against Fairy and Grass-type Pokémon. This makes Poison-type moves twice as effective against these kinds of foes. With STAB, you can get up to three times attack power (READ: What is STAB and How to Make the Most of It).

Poison Pokémon are also resistant to Fighting, Bug and Grass moves. This means these attacks are halved against Poison-types.

Another key strength of Poison types is the capacity to inflict the Poison status effect.

When an enemy is inflicted with poison, their health steadily dwindles after every turn. This is useful when you’re having difficulties catching Pokémon, like rare ones and legendaries, because they effectively weaken the opponent’s HP. Make sure to mind your foe’s HP so you don’t actually knock them out.

Poison Pokémon Weaknesses

On one hand, Poison Pokémon are weak against Ground and Psychic types. If you have Poison-types in your party with bad defenses, they may be a easy targets for knock outs.

Poison-type moves are also ineffective against Ghost, Rock, Ground and fellow Poison Pokémon. This makes dealing with these types a pain as Poison moves only deal half the damage.

Steel Pokémon are also unaffected by Poison moves, so it makes little sense to bring out your Poison Pokémon when battling against the likes of Magnemite, etc. in the game.

Dual-type Poison Pokémon

While there are some combinations of poison and another Pokémon type (either primary or secondary), most of the Poison-types in the game are pure Poison Pokémon. Notable examples include Ekans, Abrok, the Nidoran evolutions, Grimer, Muk, Koffing and Weezing.

Primary Poison Pokémon with a secondary type is either one of two combinations. Firstly, Poison and Ground Pokémon like Nidoqueen and Nidoking.

Poison and Flying-type combination is the next, as evident in Zubat and all its evolutions.

There’s also Bug and Poison combo, like Beedrill and its previous forms, Venonat and Venomoth, among others.

The next common secondary combination is Grass + Poison, seen in Oddish and its evolutions, as well as Bellsprout going up to Victreebel.

Water and Poison-type combination also exists in the likes of Tentacool and Tentacruel.

Lastly, Ghost and Poison-types together also exist in the forms of Gastly, Haunter and Gengar.

Since Poison Pokémon mostly lack elemental moves, employing dual-type Poison Pokémon in your party is the most logical step.

Exclusive Abilities

Only Poison Pokémon have the exclusive ability Liquid Ooze.

Liquid Ooze is usually seen in a Tentacool or Tentacruel. This makes moves that normally drain your Pokémon’s health (e.g. Leech Seed, etc.) to instead injure the opponent than restore their HP.

Poison Pokémon can be good additions to your party, provided you know where they excel and where they lack so you can make the most of them. If you’re not sure which Poison Pokémon to add to your line-up, check out our article on our recommended Poison-types in the FireRed and LeafGreen games.

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