So what the chemical nature of that is and the chemical nature of fire would actually be different coming from a non-sentient being. I think that the ice dragon fire is clearly still fire because it does melt The Wall and tear it down, but it had a particular quality because it’s coming from an undead dragon. “I think that fire can have many different manifestations. “It’s funny because people really accepted the green fire, which burned down the Sept and the sea battle in the earlier season,” said Podeswa. This is re-confirmed in an interview with IndieWire where he discusses the humour of the acceptance of Green fire but not blue fire, although that 'chemically' the two would be different, coming from a dead being. The Huffington Post in an interview with Jeremy Podeswa But it’s going to have a different kind of magical quality to it, because it’s coming from an undead dragon.” “ It’s certainly still fire - it has the ability to burn the Wall and melt snow. “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. This is confirmed in an interview by The Huffington Post with director of the episode ' Dragon and the Wolf', Jeremy Podeswa, when asking the all important question 'Was it Ice or Fire?'. As Dawn圓3 speculated, and speculated correctly.

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