#23.34
Ekans/Nidoking
23.34
#34.23
Nidoking/Ekans
34.23

50(-15)
HP
65(+15)
81(+11)
ATK
70(-11)
66(+11)
DEF
55(-11)
55(-15)
SP.ATK
70(+15)
61(-7)
SP.DEF
68(+7)
75(+10)
SPEED
65(-10)
388(-5)
TOTAL
393(+5)

Regular
Reg.
Poison Point: On contact, the attacker has a 30% chance to be poisoned.
Rivalry: Inflicts 1.25x damage against the same gender and 0.75× to the opposite gender. Doesn't work if either Pokémon is genderless.
Shed Skin: Each turn, there is a 33% chance of curing its major status condition.
Intimidate: Upon entering battle, lower each foes' ATK one stage.
Hidden
HA
Sheer Force: Effect chance moves have 1.3x power but lose the effect.
Unnerve: Foes are unable to eat Berries.

x2
GroundIcePsychicWater
GroundPsychic
x1
DarkDragonFireFlyingGhostGrassNormalSteel
DarkDragonElectricFireFlyingGhostIceNormalRockSteelWater
x0.5
BugFairyFightingRock
BugFairyFightingGrassPoison
x0.25
Poison
-
x0
Electric
-

#23
Ekans
23
Lv.22
#24
Arbok
24
#23
Ekans
23
Lv.22
#24
Arbok
24
#32
Nidoran♂
32
Lv.16
#33
Nidorino
33
Moon Stone
#34
Nidoking
34
#32
Nidoran♂
32
Lv.16
#33
Nidorino
33
Moon Stone
#34
Nidoking
34

Route 4, 8, 9, 10, 11
Pokemon: 23
Route 26, 27, 32, 33, Cerulean Cave, Victory Road, Evolve Ekans (Lv22)
Pokemon: 24
Route 3, 9, 22, Safari Zone A1, A2, A3
Pokemon: 32
Route 9, 35, 36, Safari Zone A1, A2, A3, A4, Viridian River, Evolve Nidoran♂ (Lv16)
Pokemon: 33
Evolve Nidorino (Moon Stone)
Pokemon: 34