#137.317
Porygon/Grotle
137.317
#317.137
Grotle/Porygon
317.137

68(-3)
HP
71(+3)
79(+10)
ATK
69(-10)
80(+5)
DEF
75(-5)
75(+10)
SP.ATK
65(-10)
71(+3)
SP.DEF
68(-3)
37(-1)
SPEED
38(+1)
410(+24)
TOTAL
386(-24)

Regular
Reg.
Overgrow: When it has 1/3rd or less max HP, Grass-type moves have 1.5x power.
Trace: Upon entering battle, copy a random foe's ability.
Download: Upon entering battle, ATK rises one stage if the foe has less DEF than SP.DEF. Otherwise SP.ATK rises one stage.
Hidden
HA
Shell Armor: Immune to critical hits.
Analytic: Moves have 1.3x power when attacking last.

x2
BugFightingFireFlyingIcePoison
x2
x1
DarkDragonFairyNormalPsychicRockSteel
x1
x0.5
ElectricGrassGroundWater
x0.5
x0
Ghost
x0

#137
Porygon
137
Upgrade
#233
Porygon2
233
Dubious Disc
#275
Porygon-Z
275
#137
Porygon
137
Upgrade
#233
Porygon2
233
Dubious Disc
#275
Porygon-Z
275
#316
Turtwig
316
Lv.18
#317
Grotle
317
Lv.32
#318
Torterra
318
#316
Turtwig
316
Lv.18
#317
Grotle
317
Lv.32
#318
Torterra
318

Bill's Lighthouse (gift), Celadon Game Corner (gift), Cyberspace
Pokemon: 137
Evolve Porygon (Upgrade)
Pokemon: 233
Evolve Porygon2 (Dubious Disc)
Pokemon: 275
Knot Island (gift), Kin Island (gift), Viridian River (static)
Pokemon: 316
Evolve Turtwig (Lv18)
Pokemon: 317
Evolve Grotle (Lv32)
Pokemon: 318