Pokémon FireRed Gym Leaders & Elite Four

Use Water or Grass types. Squirtle or Bulbasaur make this trivial. With Charmander, catch a Mankey on Route 22 — Low Kick destroys both. Watch out: Onix has high Defense but terrible Sp.Def, so use special moves. Charmander learns Metal Claw at Lv.13 which is super effective.

Use Grass or Electric types. Bulbasaur or an Oddish from Route 5 work well. Pikachu from Viridian Forest is excellent. Danger: Starmie is deceptively fast and powerful — it hits hard with Water Pulse which can cause confusion. Do NOT underestimate this fight. Paras with Leech Life + Stun Spore is a great budget counter.

Use Ground types — complete immunity to Electric. Diglett from Diglett's Cave or Geodude from Mt. Moon makes this a free win. Watch out: Voltorb may use Selfdestruct. Raichu hits hard but Ground types wall it completely.

Use Fire, Flying, Ice, or Psychic types. Charizard, Pidgeotto, or any Fire type sweeps easily. Watch out: Victreebel and Vileplume are Grass/Poison, so Psychic is also super effective. Their Sleep Powder can ruin your run — consider having a Pokémon with Insomnia or using items.

Use Ground or Psychic types. Kadabra or Hypno with Psychic devastates this gym. Danger: Koffing has Levitate so Ground moves won't work on them — use Psychic instead. Weezing knows Selfdestruct. Muk has high Sp.Def so physical Ground moves are better against it. Bring Antidotes.

Use Bug, Ghost, or Dark types. ONE OF THE HARDEST GYMS. Alakazam is extremely fast with massive Sp.Atk. Snorlax can tank hits with its huge HP and Sp.Def. Haunter/Gengar with Shadow Ball is the best counter. In Gen 3, Bug moves are mostly physical and weak — Ghost is your best bet. If desperate, a Pokémon with Pursuit can catch Psychic types switching out.

Use Water, Ground, or Rock types. Gyarados, Blastoise, or any Water type sweeps this gym. Danger: Arcanine is the biggest threat — high Attack, fast, and knows Flamethrower. Don't let it use Intimidate to weaken your physical attackers. Special Water moves are ideal.

Use Water, Grass, or Ice types. Rhyhorn and Rhydon are 4× weak to both Water and Grass — one Surf will KO them. Danger: Dugtrio is extremely fast with Arena Trap (you can't switch out). Nidoking has diverse coverage moves including Thunderbolt. Bring a Water type with high Sp.Atk for the safest clear.

Use Electric or Fighting types. Jolteon or Raichu can handle most of her team. Danger: Lapras is very bulky with high HP. Slowbro is Water/Psychic, not Ice — use Electric or Grass. Don't use Grass types against Jynx (Ice moves will destroy them).

Use Psychic or Flying types. Alakazam with Psychic can sweep the Fighting types. Danger: Machamp has high Attack and knows Cross Chop. The two Onix are Rock/Ground — use Water or Grass for them, not Psychic. Hitmonlee is fast and can hit hard with Hi Jump Kick.

Use Ground or Psychic types. All of Agatha's Ghost types are also Poison — so Ground is super effective. Danger: Gengar is fast and knows Hypnosis + Dream Eater combo. If it puts you to sleep, it can heal while damaging you. Bring Awakenings or a Pokémon with Insomnia. Her Lv.58 Gengar is one of the most dangerous Pokémon in the entire Elite Four.

Use Ice — it's essential for this fight. Ice Beam on anything fast can handle Dragonair and Dragonite (4× weak to Ice). Biggest Danger: Dragonite at Lv.60 is the strongest Pokémon in the Elite Four. It has Outrage, Hyper Beam, and massive stats. One Ice Beam should take it down if your Pokémon is fast enough — if not, it WILL KO something. Gyarados is 4× weak to Electric. Aerodactyl is fast — use Water or Ice.

Blue's 6th Pokémon depends on your starter: Blastoise (if you chose Bulbasaur), Venusaur (if Charmander), or Charizard (if Squirtle) — replacing one of the above. His team is diverse so no single type wins. Key threats: Alakazam is extremely fast. Rhydon is 4× weak to Water and Grass. Gyarados is 4× weak to Electric. You need a balanced team with Ice, Electric, and Water coverage to handle everything.