HP
+ Vulnerable to multi-hit moves (Rock Blast, Double Kick, etc.)
+ Weak to early game (high PP low power move, bad defensive typing)
+ Immune to sand
+ Immune to burn
+ Immune to Leech Seed
+ Immune to Endeavor
+ Immune to Super Fang
+ Transform is especially scary
- Immune to Counter/Mirror Coat

ATK
+ Low power ceiling (e.g. special Flygon)
+ Intimidate (for mirror match)
- Transform is especially scary
- Drought/Drizzle
- Speed Boost

DEF
+ Bad physically defensive typing
+ Physical attacker
+ Transform is especially scary
+ Low PP or low accuracy moves (for random trainers)
- Good physically defensive typing
- Immune or resistant to Explosion/Selfdestruct

SPA
+ Low power ceiling (e.g. special Flygon)
- Transform is especially scary
- Drought/Drizzle
- Speed Boost

SPD
+ Bad specially defensive typing
+ Vulnerable to Frenzy Plant/Blast Burn/Hydro Cannon/Overheat/Psycho Boost from boss trainers
+ Transform is especially scary
- Good specially defensive typing

SPE
+ Weak to Rock Tomb/Icy Wind/Mud Shot
+ Move tutored move has flinch chance (e.g. Bite, Headbutt, Needle Arm)
+ Vulnerable to early game
+ Vulnerable to Elite Four
+ Drought/Drizzle
+ Possible Eruption/Water Spout user
- Speed Boost
- Inner Focus
- Chlorophyll/Swift Swim
- Move tutored move has paralysis chance (e.g. Secret Power, Spark)
- Weak to Mach Punch/Extremespeed/Quick Attack