Yellow Gym Leaders & Boss Prep
Every gym leader and Elite Four member in Pokemon Yellow, with their full teams, level caps, and the attacking types that work best against them. Use this to prep before each fight in your Nuzlocke run.
13 gyms & bosses
Gym leaders & bosses
Weak to
Brock
rockrock
Bring: super effectivewatergrassfightinggroundsteel
At risk: keep these outfireiceflyingbug
Avoid: resistednormalfirepoisonflying
Leader team
geodude · Lv. 10
tackle
onix · Lv. 12
tackle, screech, bide, bind
Misty
waterwater
Bring: super effectivegrasselectric
At risk: keep these outfiregroundrock
Avoid: resistedfirewatericesteel
Leader team
staryu · Lv. 18
tackle, water-gun
starmie · Lv. 21
tackle, harden, water-gun, bubble-beam
Lt. Surge
electricelectric
Bring: super effectiveground
At risk: keep these outwaterflying
Avoid: resistedelectricflyingsteel
Leader team
raichu · Lv. 28
thunderbolt, mega-punch, mega-kick, growl
Erica
grassgrass
Bring: super effectivefireicepoisonflyingbug
At risk: keep these outwatergroundrock
Avoid: resistedwatergrasselectricground
Leader team
tangela · Lv. 30
bind, constrict, mega-drain, vine-whip
weepinbell · Lv. 32
acid, stun-spore, sleep-powder, razor-leaf
gloom · Lv. 32
acid, petal-dance, stun-spore, sleep-powder
Sabrina
psychicpsychic
Bring: super effectivebugghostdark
At risk: keep these outfightingpoison
Avoid: resistedfightingpsychic
Leader team
abra · Lv. 50
flash
kadabra · Lv. 50
psychic, recover, kinesis, psywave
alakazam · Lv. 50
psychic, recover, reflect, psywave
Koga
poisonpoison
Bring: super effectivegroundpsychic
At risk: keep these outgrassfairy
Avoid: resistedgrassfightingpoisonbugfairy
Leader team
venonat · Lv. 44
toxic, psychic, tackle, sleep-powder
venomoth · Lv. 50
psychic, toxic, leech-life, double-team
Blaine
firefire
Bring: super effectivewatergroundrock
At risk: keep these outgrassicebugsteel
Avoid: resistedfiregrassicebugsteelfairy
Leader team
ninetales · Lv. 48
quick-attack, tail-whip, confuse-ray, flamethrower
rapidash · Lv. 50
take-down, stomp, growl, fire-spin
arcanine · Lv. 54
reflect, take-down, fire-blast, flamethrower
Giovanni
groundground
Bring: super effectivewatergrassice
At risk: keep these outfireelectricpoisonrocksteel
Avoid: resistedelectricpoisonrock
Leader team
dugtrio · Lv. 50
fissure, earthquake, dig, sand-attack
persian · Lv. 53
screech, slash, fury-swipes, double-team
nidoqueen · Lv. 53
thunder, tail-whip, earthquake, double-kick
nidoking · Lv. 55
thunder, leer, earthquake, double-kick
rhydon · Lv. 55
rock-slide, fury-attack, earthquake, horn-drill
Lorelei
iceice
Bring: super effectivefirefightingrocksteel
At risk: keep these outgrassgroundflyingdragon
Avoid: resistedice
Leader team
dewgong · Lv. 54
bubble-beam, aurora-beam, rest, take-down
cloyster · Lv. 53
supersonic, clamp, ice-beam, spike-cannon
slowbro · Lv. 54
surf, withdraw, psychic, amnesia
jynx · Lv. 56
ice-punch, double-slap, lovely-kiss, thrash
lapras · Lv. 56
body-slam, confuse-ray, hydro-pump, blizzard
Bruno
fightingfighting
Bring: super effectiveflyingpsychicfairy
At risk: keep these outnormalicerockdarksteel
Avoid: resistedbugrockdark
Leader team
onix · Lv. 53
rock-slide, dig, screech, slam
hitmonchan · Lv. 55
ice-punch, thunder-punch, fire-punch, double-team
hitmonlee · Lv. 55
double-kick, high-jump-kick, mega-kick, double-team
machamp · Lv. 58
leer, strength, karate-chop, submission
Agatha
ghostghost
Bring: super effectiveghostdark
At risk: keep these outpsychicghost
Avoid: resistednormalfightingpoisonbug
Leader team
gengar · Lv. 56
confuse-ray, lick, substitute, mega-drain
golbat · Lv. 56
supersonic, leech-life, wing-attack, toxic
haunter · Lv. 55
confuse-ray, lick, hypnosis, dream-eater
arbok · Lv. 58
wrap, glare, screech, acid
Lance
dragondragon
Bring: super effectiveicedragonfairy
At risk: keep these outdragon
Avoid: resistedfirewatergrasselectric
Leader team
gyarados · Lv. 58
hydro-pump, dragon-rage, leer, hyper-beam
dragonair · Lv. 56
thunderbolt, thunder-wave, slam, hyper-beam
aerodactyl · Lv. 60
wing-attack, fly, swift, hyper-beam
dragonite · Lv. 62
blizzard, fire-blast, thunder, hyper-beam
Blue
mixed
No clear type advantage. Rely on levels and coverage moves.
Leader team
sandslash · Lv. 61
swift, fury-swipes, earthquake, poison-sting
alakazam · Lv. 59
psychic, psybeam, kinesis, recover
exeggutor · Lv. 61
leech-seed, hypnosis, barrage, stomp
ninetales · Lv. 61
fire-spin, tail-whip, quick-attack, confuse-ray
magneton · Lv. 61
swift, screech, thunderbolt, thunder-wave
cloyster · Lv. 61
spike-cannon, clamp, ice-beam, aurora-beam
jolteon · Lv. 65
thunderbolt, thunder, quick-attack, pin-missile
vaporeon · Lv. 65
hydro-pump, quick-attack, mist, aurora-beam
flareon · Lv. 65
flamethrower, fire-spin, reflect, quick-attack
Nuzlocke
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