HeartGold Generations areas

Seafoam Islands

Leads to Route 20

Grass

PokémonWhenLevelChance
RegiceAny time26–4040%
KyuremAny time26–3930%
GlastrierAny time28–3830%

Surfing

PokémonWhenLevelChance
SeelAny time30–4060%
HorseaAny time30–4030%
SlowbroAny time35–5010%

Old Rod

PokémonWhenLevelChance
MagikarpAny time1095%
KrabbyAny time105%

Good Rod

PokémonWhenLevelChance
PsyduckAny time2040%
MagikarpAny time2040%
KrabbyAny time2016%
HorseaAny time204%

Super Rod

PokémonWhenLevelChance
HorseaAny time4040%
GyaradosAny time4040%
KinglerAny time4015%
SeadraAny time405%

Items

Pearl · hiddenGrip ClawIce HealRevive · hiddenWater StoneFull Restore · hiddenRevive · hiddenReviveBig PearlStardust · hiddenHyper Potion · hiddenUltra BallTM13Full Heal · hidden

Trainers · 10

Leader Blaine

#259

Uses Full Restore, Full Restore, Full Restore

CharizardLv 80@ Charizardite Y · Air Slash, Heat Wave, Flamethrower, Dragon Breath
MagmortarLv 80@ Choice Specs · Scald, Flamethrower, Fire Blast, Solar Beam
InfernapeLv 80@ Life Orb · Close Combat, Mach Punch, Bullet Punch, Flare Blitz
NinetalesLv 80@ White Herb · Moonblast, Solar Beam, Flamethrower, Nasty Plot
RapidashLv 80@ Choice Scarf · Wild Charge, Flare Blitz, Zing Zap, Poison Jab
ReshiramLv 80@ Assault Vest · Fusion Flare, Dragon Pulse, Extrasensory, Hyper Voice

Super Nerd Cary

#689
TorkoalLv 53Overheat, Iron Tail, Body Slam, Iron Defense

Super Nerd Waldo

#690
NumelLv 53Overheat, Amnesia, Earth Power, Magnitude

Super Nerd Merle

#691
MagcargoLv 53Overheat, Rock Slide, Yawn, Recover

Scientist Lowell

#692
ArcanineLv 50Overheat, Extreme Speed, Fire Fang, Thunder Fang

Scientist Linden

#693
MagmarLv 50Overheat, Fire Punch, Confuse Ray, Feint Attack

Scientist Daniel

#694
NinetalesLv 50Overheat, Will-O-Wisp, Quick Attack, Roar