#12.241
Butterfree/Miltank
12.241
#241.12
Miltank/Butterfree
241.12

71(-12)
HP
83(+12)
68(+12)
ATK
56(-12)
86(+18)
DEF
68(-18)
66(+13)
SP.ATK
53(-13)
76(+3)
SP.DEF
73(-3)
90(+10)
SPEED
80(-10)
457(+44)
TOTAL
413(-44)

Regular
Reg.
Thick Fat: Takes 0.5x damage from Fire and Ice-type moves.
Scrappy: Normal and Fighting-type moves can hit Ghost-type foes.
Compound Eyes: Moves have 1.3× accuracy.
Hidden
HA
Sap Sipper: Absorbs Grass-type moves for an ATK stage.
Tinted Lens: "Not very effective" moves deal 2x damage.

x2
FireFlyingRock
ElectricIceRock
x1
BugDarkDragonElectricFairyFightingIceNormalPoisonPsychicSteelWater
DarkDragonFairyFightingFireFlyingNormalPoisonPsychicSteelWater
x0.5
GrassGround
BugGrass
x0
Ghost
GhostGround

#10
Caterpie
10
Lv.7
#11
Metapod
11
Lv.10
#12
Butterfree
12
#10
Caterpie
10
Lv.7
#11
Metapod
11
Lv.10
#12
Butterfree
12

Route 2, 24, National Park, Viridian Forest
Pokemon: 10
Route 24, 30, 31, Hidden Forest, Ilex Forest, National Park, Viridian Forest, Viridian River, Evolve Caterpie (Lv7)
Pokemon: 11
Route 30, 31, Bond Bridge, Hidden Forest, Ilex Forest, National Park, Evolve Metapod (Lv10)
Pokemon: 12
Route 18
Pokemon: 241