iserith
Magic Wordsmith
Also, a quick question. Recharge 5-6? Does this mean that I roll a d6 every round after the Dragon uses its breath, until it recharges?
You do it at the start of the dragon's turn. But I would recommend you do it at the end of the dragon's turn instead - and do it in full view of the players, adding whatever description makes sense to show that the dragon may use its breath weapon on its following turn. This creates some suspense and also allows the players to plan for the eventuality. I find that's a lot more rewarding for the players since they can make decisions to improve their chances of survival a little more effectively than finding out with no notice that the dragon has its breath back.
Also, consider checking out this scenario I posted a while back: Monkey Business. In this challenge, the characters' goal is to retrieve their friend from an area where two gigantic monsters are fighting each other. You may get some inspiration from how I set things up.