Appendix:FireRed and LeafGreen walkthrough/Section 20

This is the Bulbapedia walkthrough for Pokémon FireRed and LeafGreen.
These pages follow the remade Game Boy Advance iteration, not Pokémon Red and Blue. The guide for those games can be found here.

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Cerulean City

Having cleared the Sevii Islands, there is only one place left to explore: Cerulean Cave, a mysterious place on the northwest edge of Cerulean City. To get there, visitors must Surf southward from Route 24.

Cerulean Cave

Cerulean Cave, 1F

Cerulean Cave, 2F

Cerulean Cave, B1F

Cerulean Cave is a mysterious cavern located in the northwest part of Cerulean City. Only the most powerful Trainers who have entered the Hall of Fame are allowed to enter due to the powerful wild Pokémon inside. The sprawling cave network is unforgiving, so be sure to prepare well. Pack the Super Rod and stock up on Ultra Balls, and bring the Master Ball as well. It is here that the genetically-engineered Pokémon from Cinnabar Island's Pokémon Mansion fled after escaping the facility.

Available Pokémon

1F Pokémon Games Location Levels Rate Parasect FR LG Cave 49, 58 25% Magneton FR LG Cave 49 20% Golbat FR LG Cave 46, 55 14% Primeape FR LG Cave 52, 61 11% Ditto FR LG Cave 52, 61 11% Machoke FR LG Cave 46 10% Electrode FR LG Cave 58 5% Wobbuffet FR LG Cave 55 4% Surfing Psyduck FR LG Surfing 30-50 65% Slowpoke FR LG Surfing 30-50 65% Golduck FR LG Surfing 40-55 35% Slowbro FR LG Surfing 40-55 35% Fishing Magikarp FR LG Fishing Old Rod 5 100% Poliwag FR LG Fishing Good Rod 5-15 60% Goldeen FR LG Fishing Good Rod 5-15 20% Magikarp FR LG Fishing Good Rod 5-15 20% Poliwag FR LG Fishing Super Rod 15-25 40% Poliwhirl FR LG Fishing Super Rod 20-30 40% Gyarados FR LG Fishing Super Rod 15-25 15% Psyduck FR LG Fishing Super Rod 15-35 5% Slowpoke FR LG Fishing Super Rod 15-35 5% Rock Smash Geodude FR LG Rock Smash 30-50 65% Graveler FR LG Rock Smash 40-55 35% A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here. 2F Pokémon Games Location Levels Rate Golbat FR LG Cave 49, 58 25% Machoke FR LG Cave 49 20% Parasect FR LG Cave 52, 61 14% Kadabra FR LG Cave 55, 64 11% Ditto FR LG Cave 55, 64 11% Magneton FR LG Cave 52 10% Wobbuffet FR LG Cave 58 5% Electrode FR LG Cave 61 4% Rock Smash Geodude FR LG Rock Smash 35-55 65% Graveler FR LG Rock Smash 45-60 35% A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here. B1F Pokémon Games Location Levels Rate Kadabra FR LG Cave 58, 67 25% Ditto FR LG Cave 58, 67 25% Parasect FR LG Cave 55, 64 14% Golbat FR LG Cave 52, 61 11% Machoke FR LG Cave 52 10% Magneton FR LG Cave 55 10% Electrode FR LG Cave 64 4% Wobbuffet FR LG Cave 61 1% Surfing Psyduck FR LG Surfing 40-60 65% Slowpoke FR LG Surfing 40-60 65% Golduck FR LG Surfing 50-65 35% Slowbro FR LG Surfing 50-65 35% Fishing Magikarp FR LG Fishing Old Rod 5 100% Poliwag FR LG Fishing Good Rod 5-15 60% Goldeen FR LG Fishing Good Rod 5-15 20% Magikarp FR LG Fishing Good Rod 5-15 20% Poliwag FR LG Fishing Super Rod 15-25 40% Poliwhirl FR LG Fishing Super Rod 20-30 40% Gyarados FR LG Fishing Super Rod 15-35 16% Psyduck FR LG Fishing Super Rod 15-25 4% Slowpoke FR LG Fishing Super Rod 15-25 4% Rock Smash Geodude FR LG Rock Smash 40-60 65% Graveler FR LG Rock Smash 50-65 35% A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

Items

Item Location Games 1F Nugget Western ridge, north side  FR  LG  Ultra Ball Western ridge, two steps east of the north ladder (hidden)  FR  LG  Max Elixir Middle ridge, northwest of the eastern ladder  FR  LG  Full Restore Southwest area  FR  LG  2F Full Restore Northeast; accessed via the northeast ladder on 1F (requires Rock Smash)  FR  LG  PP Up Southwest; accessed via the southwest ladder on 1F (requires Rock Smash)  FR  LG  Ultra Ball East; accessed via east ladder on middle ridge (requires Rock Smash)  FR  LG  B1F Max Revive Northeast corner  FR  LG  Ultra Ball On the larger central ridge  FR  LG

1F

Head to the water's edge and use Surf to reach the island in the northeast corner, then climb the ladder to 2F.

2F (Northeast)

Follow the trail to reach a Full Restore behind a pair of breakable rocks, and return to 1F.

1F

Surf westward and climb onto the western ridge. Collect the Nugget near the north ladder, then climb up the south ladder.

2F (Southwest)

Use Rock Smash to reach a PP Up, then climb back down the ladder.

1F

Go east to collect a Full Restore at the water's edge and walk up onto the other ridge. Climb up the northeast ladder.

2F (East)

Clear the rock to reach an Ultra Ball, then go back down to 1F.

1F

Head northwest to pick up a Max Elixir. Continue westward to reach the ladder in the middle of 1F.

2F (Center)

Follow the path in a counter-clockwise direction to reach the ladder in the northwest corner.

1F (Northwest)

This tiny part of 1F simply leads to the lower floor.

B1F

Go east to reach a Max Revive in the northeast corner. Turn south and climb onto the rocky ridge to pick up the nearby Ultra Ball. Continue southwestward and use Surf to find Mewtwo, alone on its island.

VS Mewtwo

Not only is Mewtwo the strongest Pokémon around, but it has already reached level 70. As a Psychic-type Pokémon, it is vulnerable to Bug-, Ghost-, and Dark-type attacks. The legendary Pokémon can restore its health repeatedly with Recover, so inflicting status ailments are a must. Not only will this make Mewtwo easier to catch, but Sleep, Freezing, and Paralysis will prevent it from replenishing its HP. It will not let itself be caught easily, so either use the Master Ball when the battle begins or be prepared to go through more than a few Ultra Balls.

Type: Psychic Unknown Ability: Pressure Held item: None Mewtwo Lv.70 Swift Normal   --       Recover Normal   --       Safeguard Normal   --       Psychic Psychic   --

A Legend On the Loose

With Celio's Network Machine fully upgraded, there have been recent sightings of a mysterious, quick-footed Pokémon. This Pokémon has found its way here from the neighboring Johto region and begins roaming across Kanto. The creature that appears will have a type advantage against your first partner Pokémon.

Before trying to track it down, be sure to save your progress. Due to a glitch, Entei and Raikou will permanently disappear if they are able to use Roar to escape. If you have not yet used the Master Ball, doing so when the battle begins is the easiest way to avoid this scenario; players may also use a soft reset to reload the game from the last save. Otherwise, players would need to play through a new game to make the beast reappear.

Tracking a Beast

The Pokémon now races across the vast Kanto region, but it is not necessary to search every area for it. A simple strategy involves spraying on a Repel.

Trainer Tips!
1.	If necessary, visit a Poké Mart to purchase a few Repels or Super Repels.
2.	Fly back to Viridian City and go north to Route 2.
3.	The Pokémon in the first party position must have a level between 11 and 49. Choose a Repel variant and spray it on. This chases off any wild Pokémon with a lower level, leaving the high-level beast the only thing left to encounter.
4.	Wander through the tall grass until the beast appears. If not, enter and exit the gate to Viridian Forest to reload the map and change the Pokémon's location.

It will attempt to flee as soon as the battle begins, so be sure to use Abilities like Arena Trap or moves like Mean Look to block its escape.

If the player chose Bulbasaur:

Type: Fire Unknown Ability: Pressure Held item: None Entei Lv.50 Ember Fire   --       Roar Normal   --       Fire Spin Fire   --       Stomp Normal   --

If the player chose Charmander:

Type: Water Unknown Ability: Pressure Held item: None Suicune Lv.50 BubbleBeam Water   --       Rain Dance Water   --       Gust Flying   --       Aurora Beam Ice   --

If the player chose Squirtle:

Type: Electric Unknown Ability: Pressure Held item: None Raikou Lv.50 ThunderShock Electric   --       Roar Normal   --       Quick Attack Normal   --       Spark Electric   --

Indigo Plateau

By the time Celio fully upgrades his Network Machine, Lorelei has returned from Four Island. Each of these five elite Trainers have continued pushing their Pokémon to new heights, with higher levels, new moves, and even new party members.

Lorelei

Lorelei has swapped out her Slowbro in favor of Piloswine, while her Lapras and Dewgong have learned Thunder and Signal Beam, respectively. Fighting- and Electric-type Pokémon work well against her team, but be careful of Psychic and Earthquake.

Elite Four Lorelei Indigo Plateau FireRed and LeafGreen Reward: $6600 Types: Water Ice Ability: Thick Fat Held item: None Dewgong♂ Lv.64 Surf Water   --       Ice Beam Ice   --       Signal Beam Bug   --       Double Team Normal   --       Types: Water Ice Ability: Shell Armor Held item: None Cloyster♂ Lv.63 Rain Dance Water   --       Surf Water   --       Ice Beam Ice   --       Supersonic Normal   --       Types: Ice Ground Ability: Oblivious Held item: None Piloswine♂ Lv.63 Earthquake Ground   --       Blizzard Ice   --       Double-Edge Normal   --       Rock Slide Rock   --       Types: Ice Psychic Ability: Oblivious Held item: None Jynx♀ Lv.66 Psychic Psychic   --       Ice Beam Ice   --       Lovely Kiss Normal   --       Attract Normal   --       Types: Water Ice Ability: Water Absorb Held item: Cheri Berry Lapras♂ Lv.66 Psychic Psychic   --       Thunder Electric   --       Surf Water   --       Ice Beam Ice   --

Bruno

Both of Bruno's Onix have evolved into Steelix, but their low Special Defense leaves them vulnerable to Fire and Water moves. His three other Pokémon now know Rock Slide, making this a hazardous battle for Flying Pokémon. Psychic attacks are still useful, and Psychic Pokémon only need to fear his Steelix's Crunch.

Elite Four Bruno Indigo Plateau FireRed and LeafGreen Reward: $6800 Types: Steel Ground Ability: Sturdy Held item: None Steelix♂ Lv.65 Earthquake Ground   --       Rock Tomb Rock   --       Iron Tail Steel   --       Crunch Dark   --       Type: Fighting Unknown Ability: Keen Eye Held item: None Hitmonchan♂ Lv.65 Sky Uppercut Fighting   --       Mach Punch Fighting   --       Rock Slide Rock   --       Counter Fighting   --       Type: Fighting Unknown Ability: Limber Held item: None Hitmonlee♂ Lv.65 Mega Kick Normal   --       Foresight Normal   --       Earthquake Ground   --       Rock Slide Rock   --       Types: Steel Ground Ability: Sturdy Held item: None Steelix♂ Lv.66 DragonBreath Dragon   --       Iron Tail Steel   --       Earthquake Ground   --       Crunch Dark   --       Type: Fighting Unknown Ability: Guts Held item: Persim Berry Machamp♂ Lv.68 Brick Break Fighting   --       Cross Chop Fighting   --       Earthquake Ground   --       Rock Slide Rock   --

Agatha

Agatha's Golbat has evolved into Crobat, and she has swapped out her Haunter in favor of Misdreavus. Her Arbok has learned Earthquake, and both Gengar know Psychic. In addition, her Misdreavus and her second Gengar know Thunderbolt.

Elite Four Agatha Indigo Plateau FireRed and LeafGreen Reward: $7000 Types: Ghost Poison Ability: Levitate Held item: None Gengar♂ Lv.66 Confuse Ray Ghost   --       Shadow Punch Ghost   --       Hypnosis Psychic   --       Psychic Psychic   --       Types: Poison Flying Ability: Inner Focus Held item: None Crobat♂ Lv.66 Confuse Ray Ghost   --       Shadow Ball Ghost   --       Air Cutter Flying   --       Sludge Bomb Poison   --       Type: Ghost Unknown Ability: Levitate Held item: None Misdreavus♂ Lv.65 Shadow Ball Ghost   --       Thunderbolt Electric   --       Psychic Psychic   --       Attract Normal   --       Type: Poison Unknown Ability: Intimidate Held item: None Arbok♂ Lv.68 Double Team Normal   --       Sludge Bomb Poison   --       Earthquake Ground   --       Giga Drain Grass   --       Types: Ghost Poison Ability: Levitate Held item: Chesto Berry Gengar♂ Lv.70 Shadow Ball Ghost   --       Sludge Bomb Poison   --       Psychic Psychic   --       Thunderbolt Electric   --

Lance

One of Lance's Dragonair has evolved into Dragonite, while the other has been replaced by Kingdra. Kingdra's Water/Dragon typing means that it is only vulnerable to Dragon moves, while it can counter Dragon-type Pokémon with Ice Beam. Both of his Dragonite know moves to counter Water and Water/Ice Pokémon that may attempt using Ice moves. His Gyarados can cover its weakness to Electric Pokémon with Earthquake, while his Aerodactyl can counter Ice-type Pokémon with AncientPower.

Elite Four Lance Indigo Plateau FireRed and LeafGreen Reward: $7200 Types: Water Flying Ability: Intimidate Held item: None Gyarados♂ Lv.68 Dragon Dance Dragon   --       Earthquake Ground   --       Thunder Wave Electric   --       Hyper Beam Normal   --       Types: Dragon Flying Ability: Inner Focus Held item: None Dragonite♂ Lv.66 Flamethrower Fire   --       Dragon Claw Dragon   --       Earthquake Ground   --       Hyper Beam Normal   --       Types: Water Dragon Ability: Swift Swim Held item: None Kingdra♂ Lv.66 Dragon Dance Dragon   --       Surf Water   --       Ice Beam Ice   --       Hyper Beam Normal   --       Types: Rock Flying Ability: Rock Head Held item: None Aerodactyl♂ Lv.70 Aerial Ace Flying   --       AncientPower Rock   --       Earthquake Ground   --       Hyper Beam Normal   --       Types: Dragon Flying Ability: Inner Focus Held item: Persim Berry Dragonite♂ Lv.72 Thunderbolt Electric   --       Outrage Dragon   --       Ice Beam Ice   --       Hyper Beam Normal   --

Rival Battle 9

Blue has swapped out his Pidgeot and Rhydon for Heracross and Tyranitar. Most of his Pokémon also have moves to cover their weaknesses. Heracross takes massive damage from Flying attacks, but avoid using Flying-type Pokémon as it can fight back with Rock Tomb. Similarly, Tyranitar suffers massive damage from Fighting moves, but Fighting-type Pokémon will be vulnerable to Aerial Ace, a Flying-type attack. His Arcanine, Gyarados, and Exeggutor are much the same as before. Arcanine can counter Rock Pokémon with Iron Tail, and Gyarados can retaliate against Electric Pokémon with Earthquake. Charizard, Blastoise, and Venusaur all have ways to counter their weaknesses, so be wary of sending in a Pokémon that may seemingly have the advantage at first.

If the player chose Bulbasaur:

Champion Blue Indigo Plateau FireRed and LeafGreen Reward: $7500 Types: Bug Fighting Ability: Swarm Held item: None Heracross♂ Lv.72 Megahorn Bug   --       Counter Fighting   --       Rock Tomb Rock   --       Earthquake Ground   --       Type: Psychic Unknown Ability: Synchronize Held item: None Alakazam♂ Lv.73 Psychic Psychic   --       Reflect Psychic   --       Calm Mind Psychic   --       Shadow Ball Ghost   --       Types: Rock Dark Ability: Sand Stream Held item: None Tyranitar♂ Lv.72 Crunch Dark   --       Thunderbolt Electric   --       Earthquake Ground   --       Aerial Ace Flying   --       Types: Grass Psychic Ability: Chlorophyll Held item: None Exeggutor♂ Lv.73 Sleep Powder Grass   --       Light Screen Psychic   --       Giga Drain Grass   --       Psychic Psychic   --       Types: Water Flying Ability: Intimidate Held item: None Gyarados♂ Lv.73 Dragon Dance Dragon   --       Hydro Pump Water   --       Earthquake Ground   --       Hyper Beam Normal   --       Types: Fire Flying Ability: Blaze Held item: Sitrus Berry Charizard♂ Lv.75 Fire Blast Fire   --       Aerial Ace Flying   --       Dragon Claw Dragon   --       Earthquake Ground   --

If the player chose Charmander:

Champion Blue Indigo Plateau FireRed and LeafGreen Reward: $7500 Types: Bug Fighting Ability: Swarm Held item: None Heracross♂ Lv.72 Megahorn Bug   --       Counter Fighting   --       Rock Tomb Rock   --       Earthquake Ground   --       Type: Psychic Unknown Ability: Synchronize Held item: None Alakazam♂ Lv.73 Psychic Psychic   --       Reflect Psychic   --       Calm Mind Psychic   --       Shadow Ball Ghost   --       Types: Rock Dark Ability: Sand Stream Held item: None Tyranitar♂ Lv.72 Crunch Dark   --       Thunderbolt Electric   --       Earthquake Ground   --       Aerial Ace Flying   --       Type: Fire Unknown Ability: Intimidate Held item: None Arcanine♂ Lv.73 Overheat Fire   --       ExtremeSpeed Normal   --       Iron Tail Steel   --       Aerial Ace Flying   --       Types: Grass Psychic Ability: Chlorophyll Held item: None Exeggutor♂ Lv.73 Sleep Powder Grass   --       Light Screen Psychic   --       Giga Drain Grass   --       Psychic Psychic   --       Type: Water Unknown Ability: Torrent Held item: Sitrus Berry Blastoise♂ Lv.75 Rain Dance Water   --       Hydro Pump Water   --       Ice Beam Ice   --       Earthquake Ground   --

If the player chose Squirtle:

Champion Blue Indigo Plateau FireRed and LeafGreen Reward: $7500 Types: Bug Fighting Ability: Swarm Held item: None Heracross♂ Lv.72 Megahorn Bug   --       Counter Fighting   --       Rock Tomb Rock   --       Earthquake Ground   --       Type: Psychic Unknown Ability: Synchronize Held item: None Alakazam♂ Lv.73 Psychic Psychic   --       Reflect Psychic   --       Calm Mind Psychic   --       Shadow Ball Ghost   --       Types: Rock Dark Ability: Sand Stream Held item: None Tyranitar♂ Lv.72 Crunch Dark   --       Thunderbolt Electric   --       Earthquake Ground   --       Aerial Ace Flying   --       Types: Water Flying Ability: Intimidate Held item: None Gyarados♂ Lv.73 Dragon Dance Dragon   --       Hydro Pump Water   --       Earthquake Ground   --       Hyper Beam Normal   --       Type: Fire Unknown Ability: Intimidate Held item: None Arcanine♂ Lv.73 Overheat Fire   --       ExtremeSpeed Normal   --       Iron Tail Steel   --       Aerial Ace Flying   --       Types: Grass Poison Ability: Overgrow Held item: Sitrus Berry Venusaur♂ Lv.75 Sunny Day Fire   --       SolarBeam Grass   --       Sludge Bomb Poison   --       Earthquake Ground   --

With the powered-up Pokémon League defeated and Cerulean Cave cleared, the only thing left to do is to complete the Pokédex. There are 386 different Pokémon species that have been discovered so far, so there is plenty of training left to do!

← Part 19 Five Island, Seven Island

FireRed and LeafGreen walkthrough

This article is part of Project Walkthroughs, a Bulbapedia project that aims to write comprehensive step-by-step guides on each Pokémon game.