I recently started a new game, due to Episode 13 being released. I've finally reached Aya, but no matter what Pokemon I use, she always wins. Any tips? 
My current team: 
Scolipede (45) Strength, Protect, Poison Tail, Steamroller 
Luxray (45) Substitute, Charge Beam, Thunder Fang, Crunch 
Unfezant (45) Air Slash, Growl, Leer, Quick Attack 
Blaziken (45) Double Kick, Brave Bird, Focus Energy, Ember 
Dusclops (45) Confuse Ray, Shadow Sneak, Pursuit, Hex 
Kricketune (45) Night Slash, Rock Smash, Sing, Bug Buzz 
Pokemon in my PC: 
Carvanha (20), Woobat (45), Smoochum (23), Lillipup (15), Porygon (20), Drifloon (20), Pidgey (18), Growlithe (20), Pidgeotto (19), Heatmor (40), Foongus (30), Foongus-shiny (30), Arbok (36), Garbodor (45), Weepinbell (45), Swirlix (10), Mankey (17), Hoppip (10), Trapinch (20), Cacnea (1), Surskit (10), Espurr (5), Panpour (24), Carnivine (19), Psyduck (20), Mareep (12), Noibat (23), Scatterbug (19), Pansage (20), Meowth (22), Sandshrew (23), Chingling (24), Diglett (23), Unown (22), Ponyta (25), Purrloin (25), Nuzleaf-5 (25), Stunky (24), Poochyena (27), Houndour (20), Murkrow (20).