Union Cave

Johto

Quests and events

• Union Cave 1F: Goh and the wild Cyndaquil (before you finish the Ilex Forest story)
• Union Cave 1F: the Zubat boy's evolution question (one gift)
• Union Cave: small extras
• Union Cave: Heatran in the lava pool (Tuesdays, Magma Stone)

Wild Pokémon

How to read these tables

Morning is 4:00–9:59, day 10:00–19:59 and night 20:00–3:59 on the game clock; a table marked "any time" is the same all day. Swarms, Hoenn/Sinnoh Sound encounters, and special night-fishing replacements are not active in this hack and are excluded. "—" means the table stores no level or chance for that entry. The encounter rate is how often you meet wild Pokémon on that map (higher means more often).

These are the ordinary encounter tables. Calendar encounters can replace specific land slots. Visible spawns and capture-chain bonuses use additional rules; table weights are not shiny odds.

Union Cave

Encounter rate: grass/cave 10 · surfing 15 · Old Rod 25 · Good Rod 50 · Super Rod 75

Grass/cave, morning and day

Wild Pokémon: Grass/cave, morning and day

Pokémon	Level	Chance
Geodude	6	30%
Sandshrew	6	30%
Zubat	5–7	15%
Tyrogue	5	10%
Slugma	4	10%
Onix	6	4%
Dunsparce	6	1%

Grass/cave, night

Wild Pokémon: Grass/cave, night

Pokémon	Level	Chance
Geodude	6	30%
Sandshrew	6	30%
Zubat	5–7	15%
Tyrogue	5	10%
Teddiursa	4	10%
Onix	6	4%
Dunsparce	6	1%

Surfing

Wild Pokémon: Surfing

Pokémon	Level	Chance
Wooper	10–20	60%
Barraskewda	15–25	30%
Arrokuda	10–20	5%
Quagsire	10–20	5%

Old Rod

Wild Pokémon: Old Rod

Pokémon	Level	Chance
Magikarp	10	85%
Goldeen	10	15%

Good Rod

Wild Pokémon: Good Rod

Pokémon	Level	Chance
Magikarp	20	40%
Goldeen	20	55%
Barboach	20	5%

Super Rod

Wild Pokémon: Super Rod

Pokémon	Level	Chance
Goldeen	40	70%
Whiscash	40	20%
Seaking	40	10%

Union Cave B1F

Encounter rate: grass/cave 15 · surfing 15 · Old Rod 25 · Good Rod 50 · Super Rod 75

Grass/cave, morning and night

Wild Pokémon: Grass/cave, morning and night

Pokémon	Level	Chance
Geodude	8	20%
Ferroseed	8	30%
Sandshrew	8	10%
Venipede	7	20%
Onix	8	5%
Hippopotas	8	5%
Bonsly	9	4%
Bidoof	6	4%
Barboach	9	1%
Dunsparce	6	1%

Grass/cave, day

Wild Pokémon: Grass/cave, day

Pokémon	Level	Chance
Geodude	8	20%
Ferroseed	8	30%
Sandshrew	8	10%
Riolu	7	10%
Venipede	7–9	14%
Onix	8	5%
Hippopotas	8	5%
Bidoof	6	4%
Barboach	9	1%
Dunsparce	6	1%

Surfing

Wild Pokémon: Surfing

Pokémon	Level	Chance
Wooper	10–20	60%
Basculin	10–25	35%
Quagsire	10–20	5%

Old Rod

Wild Pokémon: Old Rod

Pokémon	Level	Chance
Magikarp	10	85%
Goldeen	10	15%

Good Rod

Wild Pokémon: Good Rod

Pokémon	Level	Chance
Magikarp	20	40%
Goldeen	20	55%
Shellos	20	5%

Super Rod

Wild Pokémon: Super Rod

Pokémon	Level	Chance
Goldeen	40	70%
Shellos	40	15%
Seaking	40	10%
Gastrodon	40	5%

Gifts, trades and scripted encounters

• Scripted wild battle: Cyndaquil (Lv. 10) — Union Cave 1F — Cyndaquil ledge

  Before finishing Koume’s Ilex Forest exit scene, which removes Goh and Cyndaquil. Either defeat Goh after saying you saw it first, or let him pursue it and refuse to move the boulder trapping him. Examine Cyndaquil’s ledge again to battle it. Helping Goh catch it loses this encounter. One chance: catching it, knocking it out or fleeing removes it; only losing allows a retry.

  See Union Cave 1F: Goh and the wild Cyndaquil (before you finish the Ilex Forest story)
• Scripted wild battle: Heatran (Lv. 90) — Union Cave B1F — lava pedestal

  Obtain the Magma Stone in Diglett’s Cave after the Silver Conference closing ceremony. Place it on the Union Cave B1F lava pedestal on a Tuesday. Reach the pedestal using Surf and either carry a Cleanse Tag or pay the old woman $2,000. Summoning consumes the stone; once summoned, Heatran can be battled on any day. One chance: catching it, knocking it out or fleeing removes it; only losing allows a retry.

  See Union Cave: Heatran in the lava pool (Tuesdays, Magma Stone)

Some of these depend on your starter, story progress or a choice. See the quests above.

Trainers

Click a trainer to see their team. Some battles only happen in certain story branches; check the conditions below.

Magician ElsaStantler 64 · Jynx 65 · Gardevoir 64 · Ambipom 65

• Union Cave: trainer on the map

Magician Elsa’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Stantler	64	Intimidate	Silk Scarf	Brave	20 HP / 18 others	Double-Edge, Confuse Ray, Zen Headbutt, Double Kick
Jynx	65	Refrigerate	Never-Melt Ice	Adamant	20 HP / 18 others	Ice Beam, Psychic, Shadow Ball, Focus Blast
Gardevoir	64	Synchronize	Big Root	Hasty	20 HP / 18 others	Hyper Voice, Calm Mind, Psychic, Thunderbolt
Ambipom	65	Technician	Silk Scarf	Careful	20 HP / 18 others	Fury Swipes, Shadow Claw, U-turn, Brick Break

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Hiker JoeSandslash 64 · Donphan 65 · Swampert 64 · Mamoswine 65

• Union Cave: trainer on the map

Hiker Joe’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Sandslash	64	Sand Rush	Soft Sand	Careful	20 HP / 18 others	Swords Dance, Earthquake, Rock Slide, Brick Break
Donphan	65	Sturdy	Soft Sand	Serious	20 HP / 18 others	Earthquake, Knock Off, Thunder Fang, Rollout
Swampert	64	Torrent	Rindo Berry	Mild	20 HP / 18 others	Earthquake, Waterfall, Hammer Arm, Rock Slide
Mamoswine	65	Oblivious	Never-Melt Ice	Gentle	20 HP / 18 others	Ice Shard, Avalanche, Earthquake, Rock Slide

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Battle Girl RikaArbok 64 · Houndoom 65 · Ludicolo 64 · Gliscor 65

• Union Cave: trainer on the map

Battle Girl Rika’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Arbok	64	Intimidate	Poison Barb	Naughty	20 HP / 18 others	Glare, Sludge Bomb, Toxic, Dark Pulse
Houndoom	65	Dark Skin	Charcoal	Calm	20 HP / 18 others	Fire Blast, Dark Pulse, Shadow Ball, Sludge Bomb
Ludicolo	64	Swift Swim	Mystic Water	Mild	20 HP / 18 others	Hydro Pump, Giga Drain, Ice Beam, Fake Out
Gliscor	65	Hyper Cutter	Toxic Orb	Quirky	20 HP / 18 others	Roost, Iron Tail, Sky Attack, X-Scissor

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Ruin Maniac RussNidoqueen 64 · Kingdra 65 · Shiftry 64 · Glaceon 65

• Union Cave: trainer on the map

Ruin Maniac Russ’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Nidoqueen	64	Poison Point	Life Orb	Docile	20 HP / 18 others	Thunderbolt, Ice Beam, Earth Power, Sludge Bomb
Kingdra	65	Drizzle	Scope Lens	Timid	20 HP / 18 others	Hydro Pump, Focus Energy, Draco Meteor, Hurricane
Shiftry	64	Chlorophyll	Miracle Seed	Impish	20 HP / 18 others	Leaf Blade, Sucker Punch, Explosion, Leech Seed
Glaceon	65	Slush Rush	Never-Melt Ice	Quirky	20 HP / 18 others	Surf, Shadow Ball, Ice Beam, Charm

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Karate King WaltHeracross 64 · Nidoking 65 · Breloom 64 · Toxicroak 65

• Union Cave: trainer on the map

Karate King Walt’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Heracross	64	Moxie	Focus Band	Lax	20 HP / 18 others	Rock Slide, Megahorn, Close Combat, Earthquake
Nidoking	65	Poison Point	Life Orb	Gentle	20 HP / 18 others	Thunderbolt, Ice Beam, Earth Power, Sludge Bomb
Breloom	64	Technician	Toxic Orb	Gentle	20 HP / 18 others	Spore, Sky Uppercut, Seed Bomb, Mach Punch
Toxicroak	65	Poison Touch	Black Sludge	Impish	20 HP / 18 others	Poison Jab, Sucker Punch, Drain Punch, Ice Punch

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Black Belt RyanHariyama 64 · Magcargo 65 · Ninetales 64 · Leafeon 65

• Union Cave B1F: trainer on the map

Black Belt Ryan’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Hariyama	64	Iron Fist	Flame Orb	Mild	20 HP / 18 others	Close Combat, Facade, Ice Punch, Rock Slide
Magcargo	65	Drought	Passho Berry	Bashful	20 HP / 18 others	Flamethrower, Ancient Power, Earth Power, Stealth Rock
Ninetales	64	Flash Fire	Charcoal	Mild	20 HP / 18 others	Heat Wave, Shadow Ball, Solar Beam, Extrasensory
Leafeon	65	Grass Skin	Miracle Seed	Timid	20 HP / 18 others	Swords Dance, Leaf Blade, Iron Tail, X-Scissor

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Ace Trainer RonClefable 64 · Mantine 65 · Gardevoir 64 · Togekiss 65

• Union Cave B1F: trainer on the map

Ace Trainer Ron’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Clefable	64	Cute Charm	Leftovers	Quiet	20 HP / 18 others	Encore, Moonlight, Sing, Dazzling Gleam
Mantine	65	Volt Absorb	Mystic Water	Hardy	20 HP / 18 others	Surf, Air Slash, Ice Beam, Bullet Seed
Gardevoir	64	Synchronize	Twisted Spoon	Timid	20 HP / 18 others	Hyper Voice, Psychic, Focus Blast, Energy Ball
Togekiss	65	Super Luck	Choice Scarf	Bashful	20 HP / 18 others	Air Slash, Aura Sphere, Flamethrower, Dazzling Gleam

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Super Nerd SidGolbat 64 · Delibird 65 · Masquerain 64 · Magmortar 65

• Union Cave B1F: trainer on the map

Super Nerd Sid’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Golbat	64	Inner Focus	Poison Barb	Gentle	20 HP / 18 others	Air Slash, Poison Fang, Absorb, Bite
Delibird	65	Prankster	Scope Lens	Quiet	20 HP / 18 others	Ice Beam, Air Slash, Present, Swift
Masquerain	64	Intimidate	Silver Powder	Jolly	20 HP / 18 others	Quiver Dance, Air Slash, Bug Buzz, Scald
Magmortar	65	Flame Body	Charcoal	Lax	20 HP / 18 others	Hyper Beam, Thunderbolt, Focus Punch, Confuse Ray

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

One-Ball Man GohManectric 84 · Slowbro 85 · Dugtrio 84 · Scizor 85 · Slaking 84 · Tangrowth 85

• Union Cave: single battle, if you answer “No”
• Union Cave: single battle, only in some story branches (see the quest guide)
• Union Cave: single battle, if you pick “I saw it first!”

One-Ball Man Goh’s team

Pokémon	Lv	Ability	Item	Nature	IVs	EVs	Moves
Manectric	84	Lightning Rod	Magnet	Modest	31 HP / 24 others	6 HP, 252 SpD, 252 Spe	Thunderbolt, Volt Switch, Protect, Flamethrower
Slowbro	85	Shell Armor	Rocky Helmet	Relaxed	31 HP / 24 others	252 HP, 252 Def, 6 SpA	Scald, Body Press, Slack Off, Iron Defense
Dugtrio	84	Sand Veil	Focus Sash	Jolly	31 HP / 24 others	6 HP, 252 Atk, 252 SpD	Earthquake, Rock Tomb, Stealth Rock, Sucker Punch
Scizor	85	Technician	Occa Berry	Adamant	31 HP / 24 others	252 HP, 252 Atk, 6 SpA	Bullet Punch, Swords Dance, Double Iron Bash, U-turn
Slaking	84	Scrappy	Leftovers	Adamant	31 HP / 24 others	252 HP, 252 Atk, 6 SpA	Headbutt, Brick Break, Slack Off, Bulk Up
Tangrowth	85	Regenerator	Leftovers	Modest	31 HP / 24 others	252 HP, 6 SpA, 252 Spe	Giga Drain, Leech Seed, Sludge Bomb, Sleep Powder

IVs show HP separately when it differs; “others” means each of the other five stats.

View all encounters and teamsDamage calc →

Shady Guy YamamotoGirafarig 62 · Vileplume 63 · Ninjask 64 · Rhyperior 65

• Union Cave: single battle

Shady Guy Yamamoto’s team

Pokémon	Lv	Ability	Item	Nature	IVs	Moves
Girafarig	62	Adaptability	Sitrus Berry	Rash	20 HP / 18 others	Trick Room, Hyper Voice, Dazzling Gleam, Psychic
Vileplume	63	Natural Cure	Quick Claw	Careful	20 HP / 18 others	Sunny Day, Sludge Bomb, Solar Beam, Moonlight
Ninjask	64	Speed Boost	Focus Sash	Lax	20 HP / 18 others	Protect, Swords Dance, X-Scissor, Baton Pass
Rhyperior	65	Lightning Rod	Mental Herb	Calm	20 HP / 18 others	Rock Wrecker, Earthquake, Aqua Tail, Poison Jab

IVs show HP separately when it differs; “others” means each of the other five stats. No EV investment.

View all encounters and teamsDamage calc →

Hiker JebTyranitar 82 · Garchomp 83 · Forretress 82 · Marowak 83 · Probopass 82 · Aggron 83

• Union Cave: single battle, if you pick “Singles”
• Union Cave: double battle against this one team, sent out two at a time, if you pick “Doubles”

Hiker Jeb’s team

Pokémon	Lv	Ability	Item	Nature	IVs	EVs	Moves
Tyranitar	82	Sand Stream	Smooth Rock	Adamant	31 HP / 24 others	252 HP, 252 Atk, 6 SpD	Rock Slide, Stealth Rock, Dragon Dance, Snarl
Garchomp	83	Rough Skin	Yache Berry	Adamant	31 HP / 24 others	6 HP, 252 Atk, 252 SpD	Earthquake, Dragon Rush, Aqua Tail, Swords Dance
Forretress	82	Sturdy	Rocky Helmet	Careful	31 HP / 24 others	252 HP, 252 SpA	Toxic Spikes, Rapid Spin, Pain Split, Protect
Marowak	83	Sand Rush	Thick Club	Adamant	31 HP / 24 others	6 HP, 252 Atk, 252 SpD	Bonemerang, Icy Wind, Fire Punch, Thunder Punch
Probopass	82	Power Spot	Focus Sash	Modest	31 HP / 24 others	252 HP, 6 SpA, 252 Spe	Power Gem, Flash Cannon, Dazzling Gleam, Sandstorm
Aggron	83	Sturdy	Leftovers	Adamant	31 HP / 24 others	252 HP, 252 Atk, 6 SpA	Iron Head, Rock Slide, Brick Break, Heavy Slam

IVs show HP separately when it differs; “others” means each of the other five stats.

View all encounters and teamsDamage calc →

Items

Items found here

Item	Qty	Kind	Where
Lagging Tail	1	item ball	Union Cave · 15 steps north of the door to Union Cave B1F
Big Pearl	1	hidden	Union Cave · 8 steps south of the door to Union Cave B1F
Great Ball	1	hidden	Union Cave · 5 steps west of the door to Route 33
Paralyze Heal	1	hidden	Union Cave
X Speed	1	hidden	Union Cave B1F · 9 steps west of the door to Union Cave
Revive	1	hidden	Union Cave B1F · 3 steps south and 22 steps east of the door to Union Cave B1F

Gifts from people

• PP Max ×2 · see Violet City: the runaway Marill (→ Heart Scale, 2 PP Max)
• Moon Stone · see Union Cave 1F: the Zubat boy's evolution question (one gift)
• Power Anklet · see Union Cave: small extras

Some gifts depend on a quest, a choice or the day of the week; a linked quest explains when.

Bought or exchanged

Bought or exchanged

Item	Qty	Price
Sun Stone	1	Dusk Stone ×1
Old Amber	1	₽8000
Dawn Stone	1	₽3000
Fluffy Tail	1	₽1000
Protector	1	₽5000
Twisted Spoon	1	₽1000
Hard Stone	1	₽1000
Focus Sash	1	₽100