You end the script and go, Holy hell, how are we going to do that?

And yet the duo are undeterred by the high expectations.

As Bauer puts it: We read the script and we get to work.

Game of Thrones"The Dance of Dragons"Behind the Scenes

HBO

The bible for our methodology is to work with as much photography as we can, Kullback says.

Then any CG added in has to be dialed in to look like the photography.

It makes the visual effects not bump against the rest of production.

Game of Thrones"The Dance of Dragons"

HBO

Bauer says with a laugh, And I didnt get fired for saying that!

Twenty-two was the new record for people ignited all at one time.

Thank God no one has gotten hurt.

gameofthrones15_183

HBO

You have the best people working on those fire stunts, but its still nerve-racking, Bauer says.

But the matter of those enormous beasts that fly around and breathe fire is admittedly harder to bluff.

Its rare for CG characters to register on an emotional level without spectacle and gore.

Theres all kinds of juicy photo references we can dig into.

And the hardest stuff yet?

Researching for Battle of the Bastards, Bauer says.

We needed horses to really get damaged, broken legs, etc.

so inevitably you have to watch horse races where the horse goes down and over, head first.

Some of the research is so graphic that we have to put a warning on it.

Adds Kullback: A good way to characterize this season is, everything goes to sh.

Game of Thronesreturns for itseighth and final seasonApril 14 on HBO.