#248.390
Tyranitar/Aron
248.390
#390.248
Aron/Tyranitar
390.248

83(+17)
HP
66(-17)
91(-21)
ATK
112(+21)
103(-3)
DEF
106(+3)
76(+18)
SP.ATK
58(-18)
80(+20)
SP.DEF
60(-20)
40(-10)
SPEED
50(+10)
473(+21)
TOTAL
452(-21)

Regular
Reg.
Sturdy: Can't be 1-hit KO'd at full HP.
Rock Head: Doesn't take recoil damage.
Sand Stream: Upon entering battle the weather becomes sandstorm, raising all Rock-type's SP.DEF by 1.5x and all Pokémon lose 1/16th max HP each turn except Ground, Rock, and Steel-types.
Hidden
HA
Heavy Metal: Double the normal weight for its species.
Unnerve: Foes are unable to eat Berries.

x4
FightingGround
Fighting
x2
Water
FireGround
x1
DarkElectricFireGhostGrassSteel
BugElectricFairyWater
x0.5
BugDragonFairyIcePsychicRock
DarkDragonFlyingGhostGrassIceNormalRockSteel
x0.25
FlyingNormal
-
x0
Poison
PoisonPsychic

#246
Larvitar
246
Lv.30
#247
Pupitar
247
Lv.55
#248
Tyranitar
248
#246
Larvitar
246
Lv.30
#247
Pupitar
247
Lv.55
#248
Tyranitar
248
#390
Aron
390
Lv.32
#391
Lairon
391
Lv.42
#333
Aggron
333
#390
Aron
390
Lv.32
#391
Lairon
391
Lv.42
#333
Aggron
333

Crimson City (trade), Mt. Silver, Mt. Silver Base, Safari Zone A4
Pokemon: 246
Mt. Silver, Evolve Larvitar (Lv30)
Pokemon: 247
Evolve Pupitar (Lv55)
Pokemon: 248
Route 9
Pokemon: 390
Evolve Aron (Lv32)
Pokemon: 391
Mt. Mortar (static), Evolve Lairon (Lv42)
Pokemon: 333