Air units weaknesses?

[Ravenlord]

It's cool donating to yourself, isn't it?!!

 

[Ravenlord]

Alright, I lied ...... last night I didn't play a game at all !!

I feel so ashamed!!!

 

[Ferid Gurbuz]

It is! Sometimes I even talk to myself to make the Alliance seem more active to other people... sad times.

 

[papier]

Well it seems the factory isn't useless anymore at lvl 4 at least! Damn that zookas DMG!

 

[Ferid Gurbuz]

Zookas? What are those?
Lvl 4 lol I can't imagine how much oil that's going to cost. I just spend freaking 45k oil to get it to level 2 lol.