I've gotten multiple times to her last pokemon, but I just can't seem to beat her. Here's my team:
Greninja lvl 74
Substitute, Extrasensory, Night Slash and Water Shuriken.
Gallade lvl 74
Leaf Blade, Shadow Sneak, Close Combat, Psycho cut.
Noivern lvl 74.
Dragon Pulse, Iron Tail, Super Fang, Boomburst.
Sceptile lvl 74.
Giga Drain, Dual Chop, Nature Power, X Scissor.
A-Ninetales lvl 74.
Ability: Snow Cloak.
Ice Beam, Dazzling Gleam, Dark Pulse, Hail.
M-Meowstick lvl 74
Psychic, Light Screen, Fake out, Sucker Punch.
I need the help, I've been stuck here for 2 days!!!