[ His eyes widen when she says they knocked over a building. Holy shit. But okay, it does sound like she can work with that. It's not like she can be outclassed by herself, right? ]

Right. Okay, so you need to plan your attack with simply that in mind. What is the best way to take on an earthbender?

[ Not to mention something else rather important. ]

You also have one major thing to your advantage. Backup. Use it wisely and she won't stand a chance.