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Pokemon Crystal Phase 10: Gym Strategy - Outer Kanto Leaders

Fuchsia City Gym Leader Janine, Fuchsia City Gym She is underleveled for Kanto. Psychic hits everything, while Ground cleans up the Weezing pair safely.

Game Boy Color Pokemon Crystal Phase 10 Kanto Part 2 Blue ace Fuchsia, Pewter, Viridian, Seafoam, Cinnabar, Blaine, Brock, Janine, Blue, and Silver Wing. 10 / 12 Blastoise artwork Blastoise
By Damodar Sharma Updated June 2, 2026 Walkthrough

Phase 10 section 6 of 7

Fuchsia City Gym Leader Janine, Fuchsia City Gym She is underleveled for Kanto. Psychic hits everything, while Ground cleans up the Weezing pair safely.

GuidePokemon Crystal PhasePhase 10 Section6/7

Gym Strategy - Outer Kanto Leaders

Ariados Ariados Lv 33 MovesScary FaceGiga DrainString ShotNight Shade ReadSpider Web + Night Shade.
Crobat Crobat Lv 36 MovesScreechSupersonicConfuse RayWing Attack ReadFast; Confuse Ray.
Weezing Weezing Lv 36 MovesSmogSludge BombToxicExplosion ReadSludge Bomb + Explosion.
Venomoth Venomoth Lv 39 MovesForesightDouble TeamGustPsychic Read★ Ace — Psychic + status.

Counters: Psychic is super-effective on all of them; Ground handles the Weezings. Watch Explosion — don't let a Weezing trade up.

Pokemon Crystal artwork of Blaine.

Seafoam Islands Gym Leader

Volcano Badge

Blaine, Seafoam Islands Gym

Water sweeps the whole fight. Ground is especially brutal on Magcargo and still excellent into the rest.

Magcargo Magcargo Lv 45 MovesCurseSmogFlamethrowerRock Slide ReadFire/Rock — 4× weak to Ground, 2× Water.
Magmar Magmar Lv 45 MovesThunderPunchFire PunchSunny DayConfuse Ray ReadThunderPunch + Confuse Ray.
Rapidash Rapidash Lv 50 MovesQuick AttackFire SpinFury AttackFire Blast Read★ Ace — Fire Blast + Fury Attack.

Counters: Water sweeps the gym; Ground is 4× on Magcargo and strong elsewhere; Rock hits Magcargo/Rapidash. A single strong Water user wins.

Graveler Graveler Lv 41 MovesDefense CurlRock SlideRolloutEarthquake ReadRock/Ground — 4× Grass/Water.
Rhyhorn Rhyhorn Lv 41 MovesFury AttackScary FaceEarthquakeHorn Drill ReadEarthquake.
Omastar Omastar Lv 42 MovesBiteSurfProtectSpike Cannon ReadRock/Water — 4× Grass.
Onix Onix Lv 44 MovesBindRock SlideBideSandstorm Read★ Ace — Rock/Ground, 4× Grass/Water.

Counters:Grass is 4× on every single member — a Meganium/Victreebel/Bellossom sweeps the whole gym. Water is also 4× on the Rock/Ground trio.

Pidgeot Pidgeot Lv 56 MovesQuick AttackWhirlwindWing AttackMirror Move ReadElectric/Rock/Ice.
Rhydon Rhydon Lv 56 MovesFury AttackSandstormRock SlideEarthquake ReadWater/Grass/Ground.
Exeggutor Exeggutor Lv 58 MovesSunny DayLeech SeedEgg BombSolarBeam ReadDark/Bug/Fire/Ice/Ghost.
Arcanine Arcanine Lv 58 MovesRoarSwiftFlamethrowerExtremeSpeed Read★ Water/Ground/Rock.

Counters: There's no single sweep — this is a full-team fight. Lead Electric for Gyarados/Pidgeot, swap Dark for Alakazam, Water/Grass for Rhydon, and a strong neutral hitter for Arcanine. Be Lv 55+ and bring Full Restores.

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Pokemon in this phase