I think ditto can pass B+ or A-.
This pokemon it's the best revenge killer of the game...
Only him, he revenge kill :
Zygarde (outrage)
Magearna (flash)
Volcarona (fire)
Charizard X... (outrage)
He copy the stats and the boosts.
Volca, magea, chari are 300 hp, like ditto...
The differance its...