I somehow beat her, so this is solved
Well I managed it to get until Terra without help but now I need some. I can't get past the Garchomp. It destroys everything with Draco Meteors and even after using 2-3 of them its damage output is unreal, I don't even know how that is possible . Basically I beat her team without many casualties. I have a full life Torterra, Barbaracle & Arcanine (except for Stealth Rock damage) and an almost dead Eelektross (which I can heal but it still gets 2hit :/) against the Garchomp and I can't manage to beat it.
I guess my last strategy that h
