Is there a limit to pet dragon level gain per battle?

[TinyMage]

Yes I'm well aware of the mages advantages, in fact I've rushed to Montero and killed Hagni early with a mage several times now. However there's a reason I want to use a warrior, mainly because I want to abuse a trick I found to get unlimited experience ( not for the pet this time ) and it works better with a warrior then it does with a mage because the warrior has a higher leadership.