Well, that's because he's been spliced! Do you know the real story about Kyurem? He was the dragon that was there before Reshiram and Zekrom, and then when they split apart it left Kyurem. So I have Reshiram fused inside of Kyurem so he's part fire too. Sort of.

[It really sounds like she's just babbling insanity... do you believe her, Curtis?]