Kwint

Easy tip.... Just use all level 1 pets, But make sure you have a Blue Clockwork Rocket Bot. He can solo it easy.

Quick WQ strategy

Iron Starlette 1/?/1
Ikky ?/1/1
Lil' Bling 2/?/1

Start with Iron Starlette
1. Wind Up
2. Supercharge
3. Wind Up
4. Switch to Ikky
5. Black Claw
6. Flock
7. Pass
8. Flock
9. Switch to Lil' Bling
10. Make It Rain
11. Inflation

Team:
Iron Starlette (1,1,1)
Enchanted Pen (1,1,1)
Cogblade Raptor (2,2,1)

Against Chum
-Wind-Up into Supercharge into Wind-Up

Against Bruce:
-Wind-Up into Wind-Up into spam Powerball until your Iron Starlette dies (if you get stunned, just pass)
-Switch in Enchanted Pen
-Forboding Curse into Quills until Bruce dies

Against Maws Jr.:
-Forboding Curse into Quills until Enchanted Pen dies
-Switch in Cogblade Raptor
-Exposed Wounds into Batter until the fight is won.

Worked First Try for me, and you should even survive some unlucky crits.

Edit: Formatting, consistency, spelling & optimized strat.