Ashlei only has two pets that do any damage to you, so a strategy to defeat her team is quite easy. The only hard part about it is that fact that you may start to feel bad once you realize your team is beating up on a little girl’s team that includes her pet Elekk Plushie.
Synopsis: There’s not much damage to mitigate, so as long as you don’t mess around and nuke away you’ll find this fight quite easy.
Goal: To defeat the tamer with 2 pets so that a third pet can be carried through for maximum experience gain. Actually, you’ll only need 1 pet for this fight other than your carry pet so it’s up to you if you want to fill the 3rd slot with anything. I typically just empty the slot completely.
Ashlei’s Team
Pixibell with Arcane Blast, Moonfire, and Life Exchange
Tally with Horn Gore, 
Stampede, and Headbutt
Doodle with Cute As A Button, 
Who’s the Best Elekk in the Whole World?, and Nap Time
Your Team
Darkmoon Zeppelin – Missile, Bombing Run, Decoy
Any other Pet or no pet
Carry Pet
Start with the Zeppelin and use Bombing Run and then Decoy. Use Missile 4 times and Pixibell should be finished. Doodle will come in, so start off with another Bombing Run and then use Missile. You’ll hit the incoming Tally with Missile and keep the Missiles coming until Tally’s dead. Swap your carry pet in and out and then finish the fight against poor little Doodle.
Pet Charge 