É um tipo diferente de fogo, agora o dragão está (in) morto.
"The way I looked at it was, when the sept burned down, that was green fire, and so then the dragon is going to have some kind of blueish fire,” he said. “It’s certainly still fire — it has the ability to burn the Wall and melt snow. But it’s going to have a different kind of magical quality to it, because it’s coming from an undead dragon."
Game Of Thrones’ Director Explains That Shocking Ice Dragon Scene
So what the chemical nature of that is and the chemical nature of fire would actually be different coming from a non-sentient being. So there’s definitely some thought into that of what that should actually look like. But obviously, an ice dragon is going to have an icy kind of fire but it’s still fire.”
‘Game of Thrones’ Finale Director Reveals How Daenerys and Jon Had a Date With Destiny
Não sabemos neste momento qual é a extensão total dessas propriedades mágicas, mas elas devem interagir de uma maneira que permita ao dragão viver.
No entanto, não vejo por que o fogo azul ainda não pode matar as criaturas ou mesmo os White Walkers. Depois de todo fogo de dragão regular ainda mata seres humanos vivos ...