Phase 8 section

Pokemon FireRed and LeafGreen Viridian Gym Walkthrough

Viridian Gym section for the FireRed and LeafGreen walkthrough with source-backed wild Pokemon, trainers, items, hidden items, bosses, and route notes.

By Damodar Sharma Updated June 24, 2026 Walkthrough

Return to Viridian, navigate arrow tiles, defeat Giovanni, and earn the Earth Badge. This page is a standalone section for Phase 8: Earth Badge, with FireRed/LeafGreen source data for encounters, trainers, items, hidden items, and boss routing.

Source maps

Viridian City Gym.

Wild rows0 Trainers9 Items2

Route plan

Bring Surf/Ice/Grass coverage and respect Earthquake. This badge unlocks the Pokemon League route.

Route Notes

The Gym opens only after the other seven badges are earned.

Wild Pokemon

No wild Pokemon or static/gift Pokemon rows are sourced for this section.

Trainers

Trainer	Area / position	Team	Reward	Notes
TakashiBlack Belt	Viridian City Gym	Machoke Lv. 38 \| Held: Black Belt Machop Lv. 38 \| Held: Black Belt Machoke Lv. 38 \| Held: Black Belt	$912	One-time or scripted battle. Map tile (10, 2); sight 3.
YujiCooltrainer	Viridian City Gym	Sandslash Lv. 38 \| Slash / Swift / Sand-Attack / Poison Sting Graveler Lv. 38 \| Rock Blast / Magnitude / Mud Sport / Defense Curl Onix Lv. 38 \| Dragonbreath / Sandstorm / Rock Throw / Bind Graveler Lv. 38 \| Rock Blast / Magnitude / Rollout / Defense Curl Marowak Lv. 38 \| Bonemerang / Headbutt / Leer / Growl	$1368	One-time or scripted battle. Map tile (12, 10); sight 3.
AtsushiBlack Belt	Viridian City Gym	Machop Lv. 40 \| Held: Black Belt Machoke Lv. 40 \| Held: Black Belt	$960	One-time or scripted battle. Map tile (11, 14); sight 3.
JasonTamer	Viridian City Gym	Rhyhorn Lv. 43	$1720	One-time or scripted battle. Map tile (10, 10); sight 3.
ColeTamer	Viridian City Gym	Arbok Lv. 39 Tauros Lv. 39	$1560	One-time or scripted battle. Map tile (2, 21); sight 2.
KiyoBlack Belt	Viridian City Gym	Machoke Lv. 43 \| Held: Black Belt	$1032	One-time or scripted battle. Map tile (3, 11); sight 2.
SamuelCooltrainer	Viridian City Gym	Sandslash Lv. 37 \| Slash / Swift / Sand-Attack / Poison Sting Sandslash Lv. 37 \| Slash / Swift / Sand-Attack / Poison Sting Rhyhorn Lv. 38 \| Take Down / Rock Blast / Fury Attack / Scary Face Nidorino Lv. 39 \| Fury Attack / Horn Attack / Poison Sting / Double Kick Nidoking Lv. 39 \| Thrash / Double Kick / Poison Sting / Focus Energy	$1404	One-time or scripted battle. Map tile (6, 8); sight 3.
GiovanniLeader	Viridian City Gym	Rhyhorn Lv. 45 \| Take Down / Rock Blast / Scary Face / Earthquake Dugtrio Lv. 42 \| Slash / Sand Tomb / Mud-Slap / Earthquake Nidoqueen Lv. 44 \| Body Slam / Double Kick / Poison Sting / Earthquake Nidoking Lv. 45 \| Thrash / Double Kick / Poison Sting / Earthquake Rhyhorn Lv. 50 \| Take Down / Rock Blast / Scary Face / Earthquake	$5000	One-time or scripted battle. Map tile (2, 2); sight 0.
WarrenCooltrainer	Viridian City Gym	Marowak Lv. 37 \| Bonemerang / Headbutt / Leer / Growl Marowak Lv. 37 \| Bonemerang / Headbutt / Leer / Growl Rhyhorn Lv. 38 \| Take Down / Rock Blast / Fury Attack / Scary Face Nidorina Lv. 39 \| Fury Swipes / Bite / Poison Sting / Double Kick Nidoqueen Lv. 39 \| Body Slam / Bite / Poison Sting / Double Kick	$1404	One-time or scripted battle. Map tile (13, 7); sight 3.

Items And Hidden Items

Item	Type	Area / direction	Coordinate	Requirement
Macho Brace	Hidden item	Viridian City Gym: Hidden in Viridian City Gym; press A on the tile around (2, 2).	2, 2	Use the Itemfinder or check the described tile.
TM26 Earthquake	Gift/scripted	Viridian City Gym: Scripted reward from Event Script Give TM 26.	-	Scripted reward from Event Script Give TM 26.

Boss Strategy

Boss / branch	Team	Reward	Danger notes	Practical counters
GiovanniLeader	Rhyhorn Lv. 45 \| Take Down / Rock Blast / Scary Face / Earthquake Dugtrio Lv. 42 \| Slash / Sand Tomb / Mud-Slap / Earthquake Nidoqueen Lv. 44 \| Body Slam / Double Kick / Poison Sting / Earthquake Nidoking Lv. 45 \| Thrash / Double Kick / Poison Sting / Earthquake Rhyhorn Lv. 50 \| Take Down / Rock Blast / Scary Face / Earthquake	$5000	Earthquake users punish frail Electric and Poison Pokemon.	Surf, Ice Beam, Grass coverage, and Flying pivots are reliable.

Completion Checklist

Clear the route plan for Viridian Gym before moving to the next section.
Check the wild table for FireRed/LeafGreen version splits, rod methods, Surf, Rock Smash, static Pokemon, gifts, trades, and event-only rows when present.
Defeat or intentionally skip optional trainers; use VS Seeker notes where rematches are available.
Sweep visible and hidden item rows, including key items, HMs, TMs, berries, fossils, and scripted gifts.
Review boss cards and heal before any Rival, Gym Leader, Rocket Admin, Elite Four, Champion, or legendary encounter listed above.

Sources

pret/pokefirered: src/data/wild_encounters.json, src/data/trainers.h, src/data/trainer_parties.h, data/maps/*/map.json, data/maps/*/scripts.inc, data/scripts/item_ball_scripts.inc, and graphics/trainers/front_pics.
Encounter odds use the FR/LG slot rates: land 20/20/10/10/10/10/5/5/4/4/1/1, Surf and Rock Smash 60/30/5/4/1, Old Rod 70/30, Good Rod 60/20/20, and Super Rod 40/40/15/4/1.
Generation III mechanics apply throughout: abilities, natures, held items, double battles, and post-game National Dex data are active in these remakes.