Pokemon needed to beat elite four?

Answer 1

czdszfds

Answer 2

latios(trade from friend)-level 99

and thats all ya need
i beat the elite for 153 times with just latios (you will need 1-2 max revives)
or if you cant trade try these pokemon
blaziken level 76
groudon level 65
raichu level 56
mawile level 54
gyrados level 69                             p.s.out of those pokemon you will only need     gyrados,groudon,raichu                thankyou